A bag to carry a gun in. Can be a custom made bag from gun manufacturer specifically for an individual gun, can be a generic gun bag, or can a just any bag that has a gun in it.
Is that a heatbag you’re carrying? YES IT IS! What’s inside? A Glock 44
by Newfie blogger May 30, 2019
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A young lady who is deemed to be attractive as well as promiscuous and is therefore selected as a sexual target.
"Lets go to the bar tonight and pick up a couple of heatbags." "Are there gonna be any heatbags at this party?"
by Tuff Tony February 11, 2009
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A person who simply cannot hide the fact that they are high or that they do drugs. Such people draw unwanted attention and scrutiny from authority, thus making the situation more tense or 'heat'. Hence heatbag.
Holy shit. Steve is such a heatbag.
by Bilbobagins October 4, 2011
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A person who cuts in on you when your working your game at a party or club. He cuts in and takes over the situation and has the girl eating out of his hand and she forgets about you. He either steals her completely or makes you look like an ass, for which the girls want nothing to do with you from that point on.
Dave cut in and took that girl kyle was talking to, he's a heatbaggin' bastard.
by hb2 November 27, 2005
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Adj., A person, place, thing, or activity which attracts undesirable attention, particularly in relation to police attention to drug use.

N., A person, place, or thing which attracts unwanted attention, usually through associated indiscreet behaviour.
Adj.: No dude, don't light that up right in front of the building -- that's totally heatbag!

N.: Nah, I stopped smoking up with him ages ago -- he's too big of a heatbag.
by OneLessThing May 5, 2007
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A person who always seems to attract unwanted attention.
every time we toke with craig we get caught. he's such a heatbag.
by okeford September 27, 2005
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Adj., A person, place, thing, or activity which attracts undesirable attention, particularly in relation to police attention to drug use.

N., A person, place, or thing which attracts unwanted attention, usually through associated indiscreet behaviour.
Adj.: No dude, don't light that up in front of the building -- that's totally heatbag!

N.: Nah, I stopped smoking up with him ages ago, he's too big of a heatbag.
by OneLessThing April 29, 2007
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