I found something in a song.

[Jetlok]

guys i know you don't like rap but it's impolite to call his rapping 'fart noises' :(

[Ad Bot]

[Kilser]

Xzibit.
Haven't heard him in awhile.

[fred da kiko]

it's the bass overlapping with something else.

[rambo1220]

Holy stuff, cannot unhear.