pendejo
idiot
pend-
hang
+
-ejo
diminutive suffix
A pendejo is an idiot, which can be remembered as someone who metaphorically hangs0 (pend-0) a little1 (-ejo1) behind others in intelligence.
noun
- idiotA vulgar insult meaning stupid or foolish personNo seas pendejo, piensa antes de actuar. // Don't be an idiot, think before you act.