look up any word, like lemonparty:

2 definitions by MoStang

 
1.
The most annoying person at a social outing or gathering, especially when alcohol is involved.
Whatshisnuts- "Dude, So-and-so was being 'That Guy' at the party last night."
Theotherguy- "Yeah, especially when he kept screaming then telling people to shut up."

by MoStang June 05, 2007
 
2.
Abbv. for "Suck my dick"
Wow, seriously, you can S my D.
by MoStang June 05, 2007