1 definition by ED3ers

a describing word for a guy/girl you would fornicate with, without any hesitation. One glance, fuck me. That simple. Can also be used as exclamation.

Instafuck can NOT be used as a verb (See Instafucker).
A: Did you see Justin Timberlake in The Social Network?
B: Hell yeah, instafuck!

*hot girl walks by*
INSTAFUCK!
by ED3ers March 2, 2011
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