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1.
(Mexico) A hard hit to someone
You got you a putaso yesturday, it was really hard
by Dantee12 September 22, 2006
 
2.
Hard punches, thrown with the goal of inflicting maximum pain and damage. Usually only thrown by pinches working in kitchens after they get pissed off at the wait staff, or by day laborers who are pissed at other day laborers who try stealing their business.

Also known as 'chingasos.'
Fidel: "Ey, why jou try esteal my yobs, cabron???"

Joaquin: "Jou mind it jou bidness, mang!"

Fidel: "OK, puto, get eready for some putasos!!!"
by Potato Sack May 22, 2008