someone who is interested in someone but as soon as that person returns the feelings they dont have feelings for them anymore. ie. only interested when the other person isnt.
You are such a chaser, always putting so much effort into liking a guy and then as soon as they return your feelings you are completely turned off them. You only enjoy the chase.
by holacomoestais April 26, 2011
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1. a drink taken after drinking alcohol, especially water

2. guard, especially a prison guard
I don't need a chaser when I take a shot anymore. I can deal with them just fine.
by The Return of Light Joker January 12, 2010
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a fart that follows you wherever you go after the release.
It is impossible to leave behind and move on.
i tried to fart before going into the elevator but too bad for the other guys, it was a chaser.
by moshko December 24, 2006
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After you flush something down the toilet, you poop as if you want to chase what you have just flushed down moments ago. This poop is referred to as a "chaser".
(Mr.Krabs flushes Plankton down the toilet)
Plankton: I'll get you Krabs!!!! glub* glub*
Mr.Krabs: Heh Heh, and now for the chaser.
by The JoshMeister101 June 16, 2009
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A substance that is mixed in with drugs during preparation before seller them on the street to not only weaken them but stretch the amount of drug available in order to be sold to more customers and make more money.
The buyer rarely has any way to measure how much drug they are actually getting, it also poses a threat because they could be getting more drug than used to in addition to dealers chasing with more harmful substances or other drugs like angel dust.
Heroin and cocaine have been known to be chased with crushed aspirin when sold in powder form since it matches, the buyer rarely has any way.

"She took the smack straight from the cooker without a chaser and overdosed."

by CI_grl March 24, 2008
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to run after a the female sex.
"Hey I finally caught Didi!"
.."You did?"
"Yea man I had to chaser all over the fuckin place, but I caught her!"
by Punkhead May 27, 2005
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redneck who generally resides in a john deere tractor smoking marlby lights
chaser is drunk in the tractor again
by cooter john February 2, 2004
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