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2.
titties; preferably big and rude.
You see that babe Amanda Wenk? Bitch got some big mammers.
by Cole U October 14, 2007
 
1.
(n.) A derogatory term for mammals.
"Look at that beaver moving into his neighbor's dam."
"What a lazy-ass mammer."
by BaronVonBalderdash August 22, 2011