1 definition by lrob84

Top Definition
1) one who loves his friend's mother... quite literally, in fact.
2) the solution when you forget to buy your mom a Mother's Day gift.
3) the sequel to SNL's "Dick in a Box," starring Andy Samberg and Justin Timberlake.
"I'm a motherlover, you're a motherlover, we should fuck each other's mothers, fuck each other's moms."
by lrob84 June 07, 2009

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