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literaly a bogger boy, means a litlle kid, alittle travieso kid
hey mocoso stop stealing my money
by LiL TaGeR November 28, 2006
A little kid with snot running from his/her nose. Derived from mocos (snot, boogers).
"Get that pinche mocoso away from my mole!"
by Nannersthedog September 24, 2009