eat it from da back
Suck someone's butt or snatch while they're bent over like a damn donkey
He said he'd eat it from da back if I didn't shut up during his speech.
She pulled out a snack and said, 'I'm eatin' it from da back while you're busy being dramatic.'
The guy at the bar said, 'I'll eat it from da back if you buy me another beer.'
xs