2 definitions by Freeflier45

Something that is so cool/rad it is beyond sick.
That picture of you skydiving headdown is so badass, it's sicknice.
by Freeflier45 June 7, 2011
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The onomatopoeia / noise of a french sneeze.
"Jean-Martin, do you have a cold?"
"Ah.. ah... Atchoum!"
by Freeflier45 September 20, 2017
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