A HeatBag is a male or female who just doesnt care what others think. They are not afraid to be loud, not concerned about appearing suspicious. HeatBag means strength in personality.
If you were to rob a bank for millions in cash, spending large sums immediately thereafter would be a heatbag thing to do.
by heatbag April 5, 2006
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Exciting and Dangerous. Adventure is likely inevitable.
Those two guys are the biggest Heatbags in town.
by Pierot December 4, 2007
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HeatBag has become more mainstreet. Being a HeatBag to some people means, you've got cash stuffed into your pockets that you can't fit any more, you've got the hottest chicks that hang around you, you're car likely is heatbagged out with shiny rims, lowered to the ground (a normal speed bump scraped your bottom), you likely have a posse, girl are attracted you big time. Just like the girls at heatbag.ca
I am the biggest HeatBag in town... or Hey, that guy is a big time HeatBag
by Fernando-T September 1, 2007
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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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-noun

1. People who wear G-Star Raw hoodies and Jackets in 30°C weather.

2. People who wear Diesel, Gas, Energie, Replay, Unlimited, Versace, D.S.L., Ben Sherman, Juicy, Underground Clothing, Evisu, 4 You Scandinavia, Posh, even, True Religion, Paige Jeans, Diesel, G-Star, Joe's Jeans, Citizens of Humanity, William Rast, People's Liberation, Christian Audigier, Smet , Ed Hardy , Dom Rebel , Sinful, Affliction, Soia & Kyo coats, Bench, Local God and Vecel clothing.
1: "There are people wearing G-Star hoodies and jackets outside in 30°C weather.

2: "Yeah, they're called heatbags."
by hb3 September 14, 2008
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Fags who wear G-Star Raw jackets and hoodies in 30°C weather.

Also includes people who wear G-Star, Diesel, Gas, Energie, Replay, Unlimited, Versace, D.S.L., Ben Sherman, Juicy, Underground Clothing, Evisu, 4 You Scandinavia, Seven, True Religion, Paige Jeans, Joe's Jeans, Citizens of Humanity, William Rast and People's Liberation, Christian Audigier, Smet , Ed Hardy , Dom Rebel , Sinful, Affliction, Soia & Kyo coats, Bench, Local God and Vecel and Posh.
Person A: "Holy shit, I can't believe those people are wearing G-Star Raw hoodies and jackets in 30°C weather!

Person B: "Yeah, they're heatbags."
by heatbag_h8r September 14, 2008
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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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