Ratbag is also Aussie slang for Trouble maker or someone causing havok - When the word Ratbag is used its used in a non offence way.
My mates a real ratbag , we got kicked out because of his antics"
by RonnieLea September 25, 2007
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Used primarily in the motor sport world to describe the act of unnecessarily abusing of a piece machinery.

Can also be used to describe any type of destruction or recklessness when performing any given activity.
Don't buy that Camaro, Deaner. I saw Tron ratbagging on it pretty hard when he had it.

Let's get drunk as fuck and go ratbagging
by Ratbaggin' August 18, 2010
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A ratbag is an older, unattractive and unlovable woman who abuses what little authority she has.
That fucking ratbag clerk at the Dollar Store wouldn’t give me my 5% discount for being a health care worker because I left my ID in the car.
by JTreehorn May 27, 2020
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A woman similar to the characters played by Terry Jones in Monty Python's Flying Circus. Also pepperpot.
The old ratbag that ran the cafe banged her spatula on the counter and screamed, "SHUT UP! SHUT UP!" whenever the Vikings began to sing.
by MankyScotsGit September 14, 2007
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The woman who lives next door.A schizo. 60 yr old interfering old ratbag with a mouth like a dogs arsehole.Husband has cleared off, she was sectioned last year and lives on her own.
stupid sad mrs.mad
by agogo February 12, 2004
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Can be used in almost every form...just like the famous curse "fuck". you can be a ratbag or perform a ratbagging. it used only as a burn on someone, being a ratbag is something you really want to stay away from.
I totally ratbagged that dude by smearing him.
Auw, man i can't believe what a ratbag you are.
by Andrew Mau September 12, 2005
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Also known as the infamous Nevada Ratbag. When you reach into your girl's asshole and yank her shit out, like yanking rats out of a bag. One shit is equal to one rat.
"Bro, I totally just ratbagged my girl last night."
"Bro, no way."
"Bro, I got like three rats."
by nevadaratbag March 2, 2016
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