~BTR~'s definitions
The act of grabbing the excess skin of your ball sack, lifting it up like elephant ears and slapping a girl in the face with your dick!
Branham - Thompson, what happen with that chick.
Thompson - She sucked at giving head so I gave her a trunk slap.
Thompson - She sucked at giving head so I gave her a trunk slap.
by ~BTR~ January 21, 2012
Get the Trunk Slapmug.