This word can be used both as a noun and an adjective. 1a) A person who has been working with grease, dirt, or grime.b) someone with poor hygiene. 2) word describing the overall non-cleanliness of a person.
1) Dude, that grub monkey looks like he has been working on cars all day!
2) Chuck Norris wipes grub moneys of his arms everyday during his shower.
3) Chuck Norris stared a grub monkey in the eye and it became clean.
4) I went to Walmart and all I could see were grub monkeys!
by sneakydan1 February 25, 2011
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Eating a man's ass while simultaneously jerking him off.
Chick gave me the best grub n tug ever last night.
by jcstreetz November 18, 2014
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Guy 1: Man, did you see that sweet triple back-flip I just did?

Man: Dude, that was grub-street.
by IDLsT November 06, 2013
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While having hate anal sex with our partner, take your tongue and gather the little shit crumbs from his/hers ass, and feed it to him/her by french kissing them.
The dirty grub that I feed Rachael was delicious last night
by in wut fuk January 14, 2018
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