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2.
Combine adj. & noun to attain ironical/iconical contrast in instant messaging
Ts s a conglomerate of IMpossibilities: Drunk therapist, Nawty nurse.
by Hercolena Oliver May 28, 2010
 
1.
Something that has no chance of happening.
This definition having all thumbs-up is an impossibility.
by sebastiancee October 28, 2007