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1. (verb) When two hispanic people are talking to each other around a group of Americans, and all you can hear is Lacka Lacka.

2. (Noun) Two spanish/mexican people talking in spanish around white people.
Man, you hear them two Lacka Lackas speaking god knows what.

If they keep that Lacka Lacka up I'm gonna be pissed.

Shut that Lacka Lacka business up!
by K-Bone21 October 22, 2009
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