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1.
in Arabic actually means "prostitute" and "good fucker". but can also be used in english as a verb or noun.
damn i bet that chick is an amazing grainger!

she looks like a complete grainger!
by the best grainger September 10, 2009
 
2.
Any pot bellied heavy set wild haired welsh back row that comes back from pre season 4 stone overweight and is willing to do the ironing for chocolate biscuits during pre season fat club
" look at the state of that, a proper Grainger".
by Shaggy Carter May 28, 2009