Top definition
the test a woman does at a clothing store to make sure her boobs dont fall out of her garmet.(commonly used with sticky boobs)
"hey Tina, that tube top is pretty small maybe you should do a jump test to check so your tits wont fall out?"
by mood-apathetic July 10, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug