look up any word, like cunt:
 
1.
Central location for activity, featured in the video game 'Call Of Duty 4: Modern warfare' multiplayer map "Overgrown".

It is located in front of the large barn and wooden bridge areas. Immediately in front of Grandma's House is a wheat field and an L-shaped building.

Grandma's House features an attic with two sniping windows, a porch, and an open backdoor.
"I've got two blips in Grandma's House. Anyone have a UAV?"
by Christopher Majewski July 10, 2008
 
2.
slang when you have sex
hey buddy i went to grandmas house last night and jenny had a great time.
by texasdallas12 March 29, 2010
 
3.
Another term for a bathhouse.
After the club let's all go to Grandma's House and get laid.
by bruno451 November 13, 2009
 
4.
An altered state of mind catagorized by drunkeness. Used as slang or code.
Boy: "Hey man, are we going to Grandma's House this weekend?"
Boy 2: "Yeah man, I got the bottle in my truck!"
by Weston Hargrove November 09, 2006