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1. Ultimate separation between legs.
2. Pleasure area on a woman.
3. The vaginal humps on a woman between her legs that are obvious from a distance when a woman is standing upright and walking, or standing still. It is the separation that occurs between a woman's legs in the uppermost area surrounding the vagina. A woman's legs that touch each other on the inside directly in front of the outer vagina cannot be considered an M. Only if there is complete separation and no fat on the legs to touch one another can it be considered a good M-Factor.
1. That woman has a sweet M!
2. I'd love to lick that M!
3. Check out her M-Factor! Oh my God is it ever sweet!
4. That M dips like honey.
mfactor by El Gatto September 9, 2003
Related Words
short for "model-actor" - the people who live in Los Angeles trying to make it as a model-actor-whatever and appear on many reality tv shows...see also "attention whore"
Check out the new cast of Survivor, half of them are mactors this year.
mactor by ftwftw July 17, 2006

B & M factor

crowded ANYTHING! highways, stores, streets, e.t.c.!! B & M means bodies n' (or) and (or) in machines. -saying one experienced a high B & M factor, means they experienced a situation where the ratio of bodies~machines~space was EXTREMELY out of balance!!
joe: don't drive the van wyck thruway!!, the high B & M factor is hugely punishing!!

overpopulation often has one experiencing a high B & M factor!!

the holidays specialize in extremely high B & M factor EVERYWHERE!!, -think i'll only buy online!

judy 'did' (pick a name!) in the storeroom, as they waited for the high B & M factor to subside...
B & M factor by michael foolsley November 12, 2013
Bumole
“MACTORIAL” Yeah, he’s a Bum ‘ole

Aka - Battyman
Mactorial by anonymous November 1, 2021
one who has "game" or "mac's" breezyz, chicken headz, or skeeos,
He always gets da panties, he a fuckin mactor
mactor by BernieMactor March 29, 2004
An adjective used to describe a female that pleasantly plump. Comes from a combination of the word mush and the word factor.
That girl used to be athletic, but when she quit working out, the mactor took over.
mactor by dirtydog420 February 14, 2012