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An exclamatory word used to describe something that is foul; ill; nasty; disturbing; dirty; or jus' straight wrong.
1]What did she think leaving the house look'n like that, yeeeesh!
2]Close your legs woman, yeeeeeeeeesh!
3]Man, shower much lately? yeeeeesh!
4]Check out that tubby bitch, yeeeesh!
by Bogmon May 14, 2005
one that causes a feeling of dislike or horror!
The yuck osu was yeeeeesh!
by Ichiro Meat oink March 14, 2003