Who sings this song and what is it called?

Question

1. the song that goes "lollie lollie lollie lollie let me see you pop that body"

2. the song (i think it's called i cant believe it) and it's like: i'll put you in a mansion, up in wiscansion.

Answer 1

1. Lolli Lolli (Pop That Body) by the Three 6 Mafia