Top Definition
1) a paint pen that is used for hobbies like building model planes, ships etc.
2) a paint pen that is used for graffiti
1) i need to buy 3 different coloured poscas for my model.
2) give me the posca so i can write on the wall
by emmanual April 13, 2006
poscas are a type of pen 4 art n that but lads/kids bombup wiv em 4 quik writing
lad1:pass da oscapayz
lad2:no lad get ur own posca
lad1:lad juz give it
lad2:fine lad
by BENJII92 October 06, 2006
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