A person whose conduct deviates from the conventional, giving everyone around him the creeps.

This word has its origins from the Malayalam motion picture 'Kumbalangi Nights', where the antagonist Shammi, a family-man psychopath, breaks bad at times, making the people around him uncomfortable.
Naveen: Did ya see Ravi during the presentation? He was acting all weird with those irrelevant questions
Akhil: Told ya! He's a real Shammi
by metalsoap October 12, 2019
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1: a towel absorber to dry off vehicles.
2: the shamwow guy.
3: a sex legacy or a sex god.
4: the best fighter on the earth.
5: awesomeness.
example1: I used my shammy to dry off my vehicle.
example2: the shamwow guy was selling shamwows on tv.
example3: man that guy i slept with last night was really shammy.
example4: did you here about that shamrock guy i heard hes the worlds greatest fighter.
example5:i slept with that guy last night he was really shammy (awesome).
by last legacy June 18, 2011
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Simplification of the word shaman. Often used in world of warcraft.
Dang, this shammy owns everyone.

Shammies are overpowered.
by Master_pally October 28, 2006
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The final hit, shot, drink, etc. before going out.
Dude, let's shammy before we hit up the bar.
by Wolfgangamadeus December 27, 2013
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The sound of a snot rocket landing on its target.
Just snot rocketed onto that person! Shammy!
by delicacion June 1, 2016
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Also known as: chamois leather. The best goddamn ultra-absorbent and ultra-light cloth you'll ever need.
Ricky: "Jesus Christ! You just knocked over the aquarium!"

Lucy: "Ah well, this shammy will make light work of it."
by Younha August 29, 2005
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Another name for a front butt or a butt in the front. A huge gut that goes to the lap.
Wow- when she sat down did you see that shammy?
by habbie January 28, 2006
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