Other mistake: When Marcus and Kevin reveal their real identities to the crowd, their eye colour changes from blue to brown without any indication that they removed their contact lenses. They simply lift off their masks. (01:38:10)
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: 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: 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: When Aubrey tells Heather and Megan that they aren't in the fashion show, Megan offers him sex for it. He lights a cigar in his mouth. When it cuts from close-up to wide shot, the cigar moves from his mouth to his hand, beside his leg. (01:33:55)
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 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)
Continuity mistake: Right before Marcus (as Tiffany) unbuttons his pants at the dinner table, the waiter can be seen taking away the wine glass in front of Latrell. In the next shot, the wine glass is back on the table. (01:10:30)
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 Discotheque scene where Marlon and Latrell just drank their drinks (with the drugs), one of the cocktail glasses switch from being half full to empty between shots. (01:14:15)
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 Busy Phillips is vomiting in the Disco-Tech bathroom the women in the background change positions between shots and then just disappear altogether. (01:22:00)
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: 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: 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: 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: 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 Lisa is having a breakdown during the shopping trip, her hair is in a different position in every shot. (00:37:13)
Answer: I think the song you mean is "Get Low" by Lil' Jon and da eastside boyz.
Latin Thugs Cypress Hill.