1 definition by Phat Phunk Drizzle

1. An extremely vulgar insult
2. Used to describe one who enjoys the eating of grass, mulch, dirt, and other objects commonly found in yards

See also: Spacemouth, Mountainmouth, Rotundamouth et al.
Ugh...Drew...you're such a yardmouth!

Hey, look at that yardmouth eating his grass and dirt...haha...yardmouth.
by Phat Phunk Drizzle November 21, 2005
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