A method of saying one has flatulated without offending geriatric ears. Similar to the Australian phrase of "opened your lunch." People no longer have to say "he farted."
Dude, who cracked a rat? Jimmie, do you need to go change your draws?

Ah man, I just cracked a rat so bad, it tweeked my seat!
by JLG September 9, 2003
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Letting loose a huge, slow, loud fart.
Omg did you hear kate? She totally cracked a rat while we were at the dinner table .
by kimk5 August 8, 2017
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A person that runs and drives like a rat and does crack all the time
by idkidc4056 January 12, 2018
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someone who takes crack and stinks alot
you drugged up crack rat!!
by mattybeans February 13, 2005
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Someone who is behaving like a crackhead and a rat.
a) gross
b) unmannered
c) acting extra
d) annoying
1) “Why does she think it’s okay to be this annoying at 8:30am?”
“She’s behaving like a crack rat.”
2) Some people are such crack rats when they act out in public.
by cracktivity December 1, 2019
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1) Name for the crazy large mutant street rats found in the city, often mistaken for small house cats and seen scurrying around late at night

2) A person acting crazy or stupid, overly goofy, bizarre, or excited, usually used in a humorously pejorative manner, sometimes refers to a state reached from excessive use of caffeine or alcohol. Someone who gets their crackage on. Similar to lunchbox or goofball or crackhead.
Dude, did you see that crack rat? Almost bit off my toe!

You are such a crack rat, why did you take your clothes off in the hallway?!

I am such a crack rat, I sucked down 5 red bulls in an hour.
by ptree March 26, 2008
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Crack rat is an anti-hero. Nemesis and long time enemy of crime fighting secret agent Rasatamouse and the 'Easy Crew'.

Crack rats mission is to spread hate and bad things.
We were just chilling by the pyramid stage then Crack rat showed up and everything went crazy.
by pnoligistonol June 28, 2011
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