ream2

 
Pronunciation: /riːm/

verb

[with object]
  • 1widen (a hole) with a special tool: a fan which has a small enough hole to be reamed out to the correct size
  • widen a bore or hole in (a gun or other metal object) with a special tool: the rods were marked out, drilled, and reamed
  • North American clear out or remove (material) from something: pierce, probe, and ream out the bony chambers of the crab’s body
  • 2North American informal rebuke (someone) fiercely: the agent reamed him out for walking away from the deal
  • 3North American vulgar slang have anal intercourse with.

Phrases

ream someone's ass (or butt)

North American vulgar slang criticize or rebuke someone.

Origin:

early 19th century: of unknown origin