To perform a thorough ass eating; similar to a rim job but much more vigorous. Anal penetration with the tongue is officially optional, but everyone does it eventually.
I would phlesh her so hard my tongue wouldn't work right for a week.

I don't know if I'd offer, but I'd phlesh her if she asked.

Some dude offered to phlesh me at the club last night. I won't lie, I considered it.
by Sally Da Shit Warrior February 19, 2007
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