ream out
verb- My boss reamed me out after I left the safe door open again.
2
Vulgar To ream; to penetrate a partner's anus forcefully (either with one's penis or one's tongue) such as to widen the opening.
- When the captive's asshole has been reamed out and stretched beyond recognition, a long wooden club, like a policeman's nightstick, was forced upon the ruined bunghole, sliding in alongside the thick, hot cock.1991, Etienne, “In Enemy Hands”, in Drummer, number 151, page 32: