What is Instarection?
1.
When a male prematurely ejaculates BEFORE even becoming erect.
nerd: dude that hot girl just gave me an instarection! she didnt even touch my penis and i sprayed my load before i even got it up!
shane: ... you're a lil bitch
See
2.
To get an immediate erection from a lovely specimen of the opposite (or same) sex (whatever floats your boat).
Damn that girl in volleyball shorts gave me an instarection before I knew what happened.
See
Random Words:
1.
a word used to describe how you feel about someone when your pissed off at them for a dumb reason and even though your mad you sit there..