Pavlov's Dick
a condition where, after receiving an unexpected, late night text from a girl you have fucked in the past, you get an instant boner in anticipation of whats about to go down
AJ: "Damn, i really gotta start studyin for this test"
--phone buzzes---
Text from Nikki: "heyy what r u doing??"
--PAVLOV'S DICK--
--phone buzzes---
Text from Nikki: "heyy what r u doing??"
--PAVLOV'S DICK--
Pavlov's Dick
A medical condition where you get an erection every time you hear a bell ring.
Stop calling me. I have Pavlov's Dick.