A parasitic criminal who wears flashy clothes and greasy hair to attract cholas, and who assaults and batters (or stabs) innocent passers-by. The Pachuco is of Mexican heritage, but rejects it in favor of acting like a punk.
Oh, sweetheart, can we cross the street please?

Yes, darling. Why?

Oh, there's a Pachuco over there and I'd like you to whoop his greasy ass so we won't have to see him when we come back.
by Tuna Wanda May 14, 2005
Spanglish for the word you say when sneezing.
Wait, man! I gotta sneeze. Ah..ah..ah..pa...CHU..co!
by Not-gonna-tellya April 22, 2005

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