Calling the front seat of your friends car (shotty) and no one can try to challenge you on it (no chal.) You can only use this rule when you can actually see the car.
In Halo, when one player possesses both a Sniper Rifle and a Shotgun. This is particularly good because the Sniper Rifle is one of the best long range weapons, while the Shotgun is arguably the best short-range weapon and definitely the best short-range gun.
And Tim doth declared, "Don't worry guys. I got shottysnipes. It will be alright." And it was so.
-Yo SHOTTY BOUNCE!
-Shotty is definatlybouncingup in here!
-I think i can see Shotty Bounce
-Yo why did you hit me, Shotty Bounce
-You better Shotty Bounce
-Yo Shotty Bounce?
-Lets just Shotty Bounce
-Thats Shotty Bounce