grub (noun) /ɡɹʌb/
1
(countable) An insect at an immature stage of its life cycle.
2
(uncountable, slang) Food.
3
(Australia, slang) A dirty person.
4
(Australia, slang) A despicable person; a lowlife.
grub (verb) /ɡɹʌb/
1
To scavenge or in some way scrounge, typically for food.
2
(transitive, intransitive) To dig; to dig up by the roots; to root out by digging; often followed by up.