Top definition
either an actual monkey made from stone, or a person who, while to stoned for speech, resorts to grunts to communicate.
Stoner: Dude, I've got the munchies. Want to go to T-Bell?
Stonemonkey: Grunt.
Stoner: So... ya wanna go?
Stonemonkey: Grunt.
Stoner: You can't move can you?
Stonemonkey: Grunt
by Mysteriouslydelirious April 02, 2009
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