A pendejo is a pubic hair.

For cuban people it is also used to describe somebody who is cowardly, ie. a pussy

Pubes are always hidden away that's where the meaning comes from, i think.
No seas tan pendejo Alex, si te gusta la muchacha ve y baila con ella!
by Marcos C. June 5, 2006
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A single pubic hair, especially around the butthole.A person is refered to as such because he allows himself to be shit on.
by Carlos Ramirez September 26, 2003
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Idiot, stupid, ignorant, fool, foolish, moron, dip shit, imbesile, dense, uneducated, follower, fuck-head, ass-hole and everything in between but all at once.
How do you elect a pendejo like this in the White House? Clearly eveyone that voted for him is a pendejo, otherwise they wouldnt have voted for this pendejo like Barack Obama.
by jessinTx April 26, 2010
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spanish for dickweed
spanish insult for the words idiot or fool
looks like a pendejo to me puto
look at this shit holmes that man is such a pendejo
by bi to the double l August 24, 2007
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Can be a term of endearment or can also be an insult depending on who you say it to, very similar to the use of the word (nigga)...
to a friend.....What's up Pendejo, is similar to 'how are you doing'

to a stranger...What's up Pendejo, is similar to 'what's up you asshole'
by Carla December 25, 2003
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1. ARGENTINA: usually a young person
2. single pubic hair.
"es un pendejo. tiene 12 años"
by zoe_2 July 29, 2005
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A pendejo or pendeja in Mexico simply means an idiot. A person who may cause concern to whether or not he or she (mostly she) may need mental counseling due to the uncanny mental retardation he or she may display.
Mi maestro es un pendejo. Su mejor amigo se coge a su vieja sin condon y se viene en su cara.
by amigote October 21, 2010
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