2. a woman of dubious sexual practices
3. anything new and/or hot; especially in reference to a party or material item
"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