when you tell someone your name is timmy, and they do the southpark thing. you slap them (with the back of your hand) across the neck.
that way it's harder for them to say timmyyyy.
that way it's harder for them to say timmyyyy.
by pureblood420 April 16, 2009
Get the timmy slapmug. by BrianHoffplinker December 7, 2012
Get the Timmy Slapmug.