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Literally meaning 'white card' or 'blank card'. free rein to do whatever.
You have carta blanca regarding the buffet. meaning you get to choose whatever food you like
by bossassbitch101 April 19, 2015
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Pisswater, easy to chug, chug beer
Yo, have you picked up that 40oz of Carta blanca; I'm tryna chug and not puke. SWITCH TO CARTA BLANCA, DONT GET HIT BY PUKE REFLEXES
by COLT 45 N 2 ZIG ZAG November 22, 2013
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