An unsolicited picture in the form of a text or email wherein a selfie containing only male genetalia is attached.
How am I supposed to go back to waiting on customers when I just got goat slapped by that guy I met at the bar on Friday?
by L.J.Hudson March 7, 2016
"Billy goat slap" the action where you grip your scrotum with your hand and slap someone with your balls
by Billy goat slap by the don December 16, 2016