When someone's gas smells like old rotten trash. It is a distinct smell unlike other farts ie. eggfarts, dairyfarts, shitfarts. You literally can smell something rotting away in the culprits intestines. Sometimes, it requires intervention with a shop-vac.

Dude! That was a rancid trashfart! Go check your drawers!

trashfart by adsz June 5, 2010

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trashtastic

An adjective describing someone who dresses trashy and looks fantastic. (Maybe it takes a lot of money to look so cheap.)

Muffin tops and midriff bare
Jeans with little room to spare
Halter top and teased-up hair
Gaudy earrings, horn dogs stare--
Totally trashtastic!!

trashtastic by Dr. Foo May 12, 2009

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Thrashtastic

1. The combination of the words thrash and fantastic, often used while discussing metal. This is not limited to metal, however. In order for a song to be thrashtastic, it must be fast-paced, contain some nasty riffs, or having powerful drums.
2. A word that indicates an exciting event that is taking/has taken place. This includes, but is not limited to: Parties, concerts, road trips, eating sushi, having sex, watching college basketball (or any other exciting sport), and fistfights.

1. Have you listened to this guitar solo? It is thrashtastic!
2. Hot damn; my girlfriend was absolutely thrashtastic last night.

Thrashtastic by Krisdaschwab912 December 18, 2008

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