look up any word, like guncle:
 
1.
Call back, respond to email, voicemail
Thanks for the shot back when I left a message on your cell phone.
by Janice LaRae September 16, 2005
 
2.
Similar to shotgun but the exact opposite. Used when you WANT the back seat!
As they ran for the car Marissa yelled, "SHOTBACK!!" so she didn't have to sit in the front seat with the smelly boy.
by epdance89 June 14, 2007