look up any word, like dirty sanchez:
 
1.
to act like a prick
Stop being pennudo.
by Emmanuel Lozano August 17, 2003
 
2.
Meaning to be endowed with a huge penis and i want some it. A word based on the Spanish word "pene" which means penis. This is a Liich word.
"Hey pennudo, come over here and show it to me."
by Master Of All Knowledge September 20, 2003