I'm like a pyscho
Fucking sucking the butt like liposuction
Up and down with the tongue twister,

from Big Punisher – Boomerang Lyrics on Rap Genius

Meaning

While most rappers find it womanly to go down on their partners, Big Pun is a freak: he’ll go down on girls, perform anal sex on them, and even suck on their butts

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