Continuity mistake: When the ice cream guy walks into the shop at the very start of the movie, he's wearing a cap, but when inside the shop, the cap is gone. (00:01:05)
Continuity mistake: When the ice cream delivery men pull up to the bodega, they park directly in front of the newspaper dispenser. When we see a shot of them walking into the store, the newspaper dispenser is shown but the truck is nowhere in sight. (00:01:10)
Continuity mistake: When Kevin and Marcus dressed up as two Cuban guys pull out the briefcase full of money, they put it next to the two maracas. However, in the next shot, we see a closeup of the briefcase, and the maracas are replaced by a blue object. (00:02:30)
Continuity mistake: In the beginning of the movie, when Kevin and Marcus (as the Cuban guys) are ready to give the suitcase with the money to the ice cream man, you can see that Marcus hesitates to give the suitcase to him. When Marcus is climbing up the balcony, you can see that the suitcase is gone. (00:02:30)
Continuity mistake: In the fight at the start of the movie, Marcus is thrown over the counter. Some boxes of sweets are knocked the ground, some stay on the counter. In the next shot, the counter is completely clear of any sweet boxes. (00:03:45)
Continuity mistake: After Kevin and Marcus knock down the ice cream guys, they take off their fake chest hair and put it down. After a few shots, the hair is back on their chests, but a few shots later, it's off again. (00:04:25)
Continuity mistake: After the real drug dealers enter the bodega, the lid on the ice cream container behind Kevin and Marcus goes from being off to on between shots. (00:05:10)
Continuity mistake: When Kevin and Marcus are driving Brittany and Tiffany Wilson to their hotel, Marcus, who is in the back, emerges from all the bags in the backseat. Between shots, the bags around him constantly move, and in the first shots, a brown bag jumps from behind him to under his arm. (00:13:15)
Continuity mistake: When Marcus and Kevin, as the Wilson sisters, arrive at the Royal Hampton Hotel, when they exit the limo Kevin's breasts are a normal size, but when they walk into the hotel and he knocks down the stuff on the counter, his breasts are huge. (00:19:25 - 00:21:00)
Continuity mistake: Agent Harper's earpiece disappears in one shot and reappears in the next shot when he is checking the fake Wilson sisters into the hotel. (00:21:00)
Continuity mistake: In the first scene with Marcus and Kevin dressed up as women, they walk to the hotel counter and knock things off the rack. Depending on the camera angle, the things spilled on the counter such as the cup, pencils and pens disappear, reappear and change position. (00:21:20)
Continuity mistake: In the toilet scene where Marcus in Tiffany's disguise has diarrhoea, he pulls down his panties which are pink at first. But once his legs start to move around because of the heavy farts, they suddenly turn white. (00:30:52 - 00:31:26)
Continuity mistake: When Tiffany/Marcus is in the bathroom after eating the quiche his underwear goes back and forth from near his ankles to up on his thighs between shots. (00:31:25)
Continuity mistake: When the "Wilson sisters" and their friends are driving along during the music scene, between a wideshot and closeup the background goes from being all trees in the distance, to suddenly all the sunny sky showing, and trees changing and appearing from shot to shot. (00:33:45)
Continuity mistake: When Marcus (as Tiffany) is trying on clothes and the saleswoman helps him to get his head through the shirt hole, he is talking on the cell phone to Gina. He falls against the wall, and his wig hangs loose outside of the shirt. In the very next shot, he remembers he needs to call Gina, and his wig is completely tucked into the shirt. (00:36:25)
Continuity mistake: When Lisa is having a breakdown during the shopping trip, her hair is in a different position in every shot. (00:37:13)
Continuity mistake: When the thief steals the handbag, Kevin has black heels on. She then goes to barefoot when chasing him, then in one shot she has white trainers on, and is then back to barefoot when she catches the man. (00:40:00 - 00:41:05)
Continuity mistake: When the girls are knocking on the "Wilson sisters' (the Copeland brothers in disguise) hotel door for the slumber party, Karen is holding a stack of magazines, and "Cosmopolitan" is on top. When one of the "sisters" opens the door, the magazine on top is now "Self." (00:48:40)
Continuity mistake: When Brittany fights with the strippers, in the background there is a table with a blue plate, a phone and a lamp on it. But when Brittany throws one stripper into the table, the lamp has been moved to the floor for the stunt. (00:52:00)
Continuity mistake: When Kevin (as Brittany) is beating up the male strippers, he throws one guy onto an end table and the whole table collapses. In the shots following, we see the table only partially collapsed. (00:54:20)
Answer: I think the song you mean is "Get Low" by Lil' Jon and da eastside boyz.
Latin Thugs Cypress Hill.