Mahmer

(noun) (prounced: mom-er) Any mother or mother-in-law who is a complete and utter psychopath.

Derived from the root words Mom and (Jeffery) Dahmer.

Example: Chris' mother-in-law is such a mahmer. She threw away every piece of wrapping paper Chris cut because the edges weren't perfectly straight.

by Chris Nieratko June 19, 2006