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20.
When some bullshits 'bout to go down.
Prison:Yo homes i don't like the tension right now, I think it's about to jump off in here.
by El Vato Montana September 07, 2006
 
1.
1. a casual sexual partner or girlfriend
2. a woman of dubious sexual practices
3. anything new and/or hot; especially in reference to a party or material item
From 'Phonetime" by CNN

"The day I come home I need a mink and a brand new Mac, a few jump offs, some doms..."

From 'Pump It Up' by Joe Budden

"My jump off doesn't run off at the mouth so much, My jump off never ask why I go out so much, My jump off never has me going out of my way, And she don't want nothing on Valentines Day, My jump off don't argue or get rebellious,And she don't mind hanging out wit da fellas,My jump off's not insecure or jealous
by Buckwild Status February 21, 2004
 
2.
1. a girl used strictly for sex, nothing else. 2. a hassle-free fuck!
I don't gotta remember my Jumpoff's birthday.
by Anonymous May 30, 2003
 
3.
A casual sex partner.
Someone that you FUCK on occasion that you have no ties to. (Usually, one or both involved are married). Don't put any feelings into a jump off because you walk into it knowing that you can't get anything from it but a good FUCK! If you catch feelings, you will get hurt!!
by ShorT January 12, 2006
 
4.
a female who is avaialable anytime & anyplace for anytype of sexual encounter
...after a full night of clubbin', we went to White Castles and hooked-up with this jump-off who got it poppin.
by Big Congress May 30, 2006
 
5.
A girl who is used just as a quick fuck
Kassandra is tye's main jumpoff
by Anonymous August 07, 2003
 
6.
SIDEPIECE - can refer to a man/woman or mistress you fuck on the side of your regular.
Can also refer to a gun you keep handy along side your regular weapon for backup.
I have a Mac 10 and a jumpoff .22 in my pocket.
by Joathan N May 02, 2004
 
7.
See also (Booty Call). A casual sex partner.
"My Jump Off never has me going out of my way, and she don't want nothing on Valentines Day" Joe Budden
by Pat Smalley September 24, 2003