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Abbreviation for Dextromethorphan.

Chemical found in over the counter cough suppressants that when ingested in large quantities causes effects similar to tripping.
noun.
"Dude, I just at 500mgs of Dex!"
verb.
"Holy shit dude, you're going to be dexing for 8 hours straight."
adj.
"I'm going to be all dexed out, man!"
by obie December 20, 2003
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2
An abbreviation for Dextroamphetamine, a prescription drug similar to addys and known for its stimulant effects. While usually prescribed for narcolepsy or ADHD, Dex has hit the streets in recent years and has found a place in the world of pill poppers, especially college students.
I did some dex and completed my project in only 2 hours!
by NightlyMime April 22, 2007
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1. Short for dexterity, skill or adroitness in using the hands or body; agility. Often used as shorthand for dexterity in RPGs.
2. Mental skill or quickness
A: What stats should I use for my rogue?
B: Just go with with DEX, can't go wrong with that.
by HonestDav July 15, 2009
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dex is a word used to describe a male who someone thinks are really hot or sexy
offt, look at him
dex
by justbesexy May 24, 2009
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Otherwise known as God's greatest gift to the world, dex is an umbrella term assigned to female spandex leggings/yoga pants that make a woman's legs, ass, and waist look even better than they would naked.

Dex is used when referring to the ass/legs in the leggings. Therefore hot girls have nice dex.

On the 8th day, the Lord God gave Man the beauty of dex.
Saw a girl with the nicest dex ever, but she turned around and caught me staring.

Went to the women's volleyball game last night, holy shit man it was dex overload, almost couldn't handle myself in there.

Thought she was hot to begin with, then fall season came around and she slipped into some dex and I was mesmerized.
by Zonesman September 24, 2014
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6
cleveage
what a dex!
by Njanja October 06, 2010
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Dude, everything was going peachy, until I caught dex right in the ass.
by JackBranson May 14, 2009
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