120
Someone who fucks their family members and doesn't even bother to clean up after the mess, what a mother fucker!
Fat Hillbilly fucking his mom, didn't even bother using a condum, and now his bed is full of cum - what a dumb mother fucker!
by Anthony P. August 17, 2003

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121
a sense of prostitute in a family
ah you are a mother fucker's lady!!
by ankol February 09, 2007

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122
The name of a generic white person who always ruins everything. People commonly mistake his name, thinking that it is Marshall, but do not be fooled by his attempts to put up a veil, it is truly Mother Fucker.
Kid 1: Oh look, this has been ruined.
Kid 2: I guess the Mother Fucker has been around.
Kid 1: Indeed!
by Tays May 10, 2006

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123
Some one who fucks their Mother.
"dude, last nite i was a mother fucker."
by Boob Hump January 08, 2006

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124
A person who fucks ones mother.
You fucked my mom you mother fucker
by r-diggy July 22, 2005

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125
A term meaning that the person it is being used towards is someone who enjoys having sex with other peoples' mother. At times is mistaken by its meaning being that the person has sex with their mom. "Motherfucker" can be taken as both a compliment or insult.
That John is such a motherfucker...he has an obsession with milfs.
by Zeeky H. Bomb March 20, 2005

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126
To Fuck Ones Own Mother
... you fucked your mother.. therefore you are a MOTHER FUCKER... QED
by Cobolt December 15, 2004

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