A person that can be described as dirty or triflin. A grimebull is visibly dirty, and does not make any attempt to look clean.
"Look at Bill. He's such a grimebull."
"Young Dirt wears that sweatshirt every day. He is a grimebull."
"Young Dirt wears that sweatshirt every day. He is a grimebull."
by jaquan123321 October 23, 2009