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!