Used to define something that is yucky or discusting, in the context of a gross body function, or an being with gross habits as a whole.
That runny nose child is a right greeble.
Dam your one messy greeble.
by Lee Saunders January 19, 2005
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the little balls of shit that stick to your ass hairs. also known as butt ticks, in laymans terms.
when i took a shower and scrubbed out my ass today, i noticed a number of butt greebles living in my crack.
by rinktytinkystink March 26, 2011
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