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A homeless kid who lives on the streets. A rat is highly intelligent, agile, and lives off of what other throw away.

Street rats are generally on their own and feel at home anywhere in a given city. The alleys, buildings, dumpsters are their domain.

Not to be confused with Hood Rat, rat fink, rat pack, or a group of homeless kids generally defined as a wolf pack.
That kid looks hungry, we should bring out our left overs after we leave, he is a street rat after all.

Hence the name of the main real life character in the homeless youth documentary "street wise".

Also referenced to in the song by hardcore band Sick of it all - "Rat Pack" or the crust band the Virus with the song "Rats in the City"
by Saxe2600 July 29, 2009
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A diamond in the ruff. Lives his days as a poor boy but is destined to become prince of Agraba.

"You are a worthless street rat. You were born a street rat. You will die a street rat. And only your fleas will morn you."

"rifraf street rat I dont buy that if only they'd look closer would they see a poor boy no sir-e they'd find out there's so much more to me."

by Haitian queen December 17, 2005
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person/s that have taken to wearing their hood up, despite it being warm and daytime.....
"what's that street rat, doing"
by Ellroy August 01, 2003
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Hardly ever seen on der own, dey normally hang around street corners in packs, dey stand around for hours with der hoods up wasting der lives trying to look Big and wasting tax payers money, dey do this by normally doin abit of fire starting or L&B smoking
Hey blood, look at dem sketish street rats

Yeh Yeh wot ya gonna do street rat
by D to the N November 28, 2006
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someone who utilizes stinky rat like methods to rip you off. Such as not giving you money for purchased product then turning his phone off saying it got broke.
That Cody Campbell is a filthy street rat.
by Marcus Hayes March 12, 2008
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A person who is heavily indebted in the streetwear fashion style, so far as to call it a way of being, a lifestyle, etc. Often times a person will sacrifice other beloved sections of their lives, such as disconnecting from their friends and family, or giving up on other previous interests and hobbies, in order to keep their addiction to streetwear alive.
You see Steven over there? He's been hanging out with those cigarette-smoking streetrats.

They think wearing Supreme gives them personality. Those streetrats are in for a rude awakening.
by CowTipper67 May 10, 2017
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