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1. Somebody who just likes to talk and talk and talk, though their words have no real meaning or basis in reality.
2. A person who, like a showbag, is full, to the point of exploding, of shit.
Those four days your mother was in town were a nightmare. That woman is such a fucking showbag, I just wanted to drive knives into my ears.
by McTurdle October 05, 2006
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Just like a bag that is brought at any show off poor carnival folke, it is full of shit. You call someone a showbag if they lie or say something you don't agree with
Scrim: "Hey Gav, I'm better than you at table tennis"
Gav: "As if scrim, your such a showbag"
by Gav800 August 26, 2005
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A Riverview College NSW Sydney term. either meaning:
- full of shit
- Showing off
by MW September 06, 2004
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A title given to a person who is full of crap
person 1: i can run 100m in 7 secs
person 2: your such a show bag!
by hot_male1410 January 29, 2008
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Literally someone who is 'full of crap'

One who boasts or lies - compulsively (to gain attention, popularity or impress a chick or ones mates).

Originated in the late 90s early 2000s from the kiddy show bags you buy at the Sydney Easter Show - the bags are full of lollies and cheap crap... hence... full of crap!

Location: in Osborne Park, Lane Cove on a balcony.
"You know that hot chick that works at foodies servo?"


"I boned her last night!"

"Fuck off show bag!"
by johnnygun August 21, 2009
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A bottom-dwelling fish such as Carp, or more commonly Cod that is reknown for their undesirable or unpalatable flesh and/or offal.
Fisherman 1: "I've got one!"
Fisherman 2: "What'd you catch?"
Fisherman 1: "Damn, it's just a showbag."
Fisherman 2: "That's a cod. Why do you call it a 'showbag'?"
Fisherman 1: "Cos it's full of shit."
by Stefanowicz December 07, 2006
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