Someone consistently terrible at gambling. The most common type of Mahoney is someone who bets on sports & loses approximately 80% of his bets. You do not want to have bet on the same side as a Mahoney. Mahoney is interchangeable with Mush. DO NOT take gambling advice from either a Mahoney or a Mush!!!
I felt good about my Falcons bet until I realized the Mahoney also loves them. That's $200 down the drain.
Eating a loud crunchy food, such as corn nuts, in the close vicinity of someone trying to concentrate.
That bitch pulled a mahoney when I was trying to take the SAT.
the action of taking a shit on a girl's chest, directly in the center, which may or may not include smearing it inbetween the titties.
I gave that hooker a mahoney in a cheap hotelroom.
White people. Neither derogetory or complimentary. Why? Well do you know any Black people named Mahoney? 'Nuf said.
Guy 1-Yo, Where you going today?
Guy 2-I gotta go downtown and fuck with them Mahoneys.
a person that blasts techno music out of a Caddilac Escalade.
"you see that? thats a real mahoney right there!"
a thief who will steal anything not nailed down
your such a mahoney!
or
this place has been ransacked, a mahoney must have been here!
Someone who has a very very small penis
Keaton Mahoney had the smallest penis ever -Samantha