Continuity mistake: When Peter walks into the dry cleaners the door sensors go off, and as Peter leans down to wave his hand in front of a sensor, all the buttons on his shirt switch to the opposite side, then revert back. (00:02:15)
Continuity mistake: When Mr. Washee Washee walks into the bedroom while pointing a gun at Peter, the buttons on Mr. Washee Washee's shirt keep switching to the opposite side in following shots. (00:05:15)
Continuity mistake: When Mr Washee Washee discovers Peter in his bedroom, Peter's glasses are missing when he says the line, "it seems we're at an impasse", but instantly reappear at the start of the next line, "how do you propose we settle this?"
Continuity mistake: As Peter pulls up outside the laundrette, there are parked cars visible on the other side of the road. In the next shot, as Peter is exiting his car, the cars have disappeared.
Chosen answer: It's a real song called "Elvira". Originally by Dallas Fraizer in '66, however, this version seems to be the Oak Ridge Boys cover version. However, the mega lesbians skip the verse and just sing the chorus after the opening line.
Bishop73