To "Jet Up" is when one gets extremely enthusiastic about an amazing opportunity despite the fact that it is inevitable that one will fail miserably in public disgrace.
You could see Mark Sanchez "Jet Up" when the opportunity to run the ball presented itself. However he bounced his face of a lineman's butt instead of getting the first down.
by Drethal November 02, 2017
A phrase used by prissy white boys trying to sound cool about vaping, when in reality they’re just talking about hitting a suorin a couple times in a parking lot and sucking eachother off afterwards.
by jmabrl January 01, 2018