Top Definition
MILFBFF - A bisexual man's crush on a mom caused from physical attraction and that she's your shopping buddy.

Use CMILFBFF if she's a cougar.
Hay girl, lemme tell you what. You're mom is a hot MILFBFF. I had a sex dream about her and we were doin it on the curtains we just bought you from Pottery Barn!

Bi-man (a) Dude check out that CMILFBFF!

Gay boy (b) Guuuurl, that's my mom! What you talkin bout? Well she is into younger men.
by supergeek2therescue October 20, 2009
5 Words related to MILFBFF

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