Top Definition
War cry declared right before collision with an object. Similar to "cowabunga," "oh shit" and that George of the Jungle yell which-I'll-be-damned-if-I-can-spell-out.

The term was made famous on the internet by a photoshopped Spider-Man comic strip in which our hero mistakes an overturned truck for his long-term arch-nemesis and proceeds to assault the truck by rope-swinging straight into the side of it.
Spidey: "My doctor's retarded. I don't have a brain tumor...say, if it isn't my old arch-nemesis, a truck!"


(Spider-Man swings down toward the truck)

Spidey: "Fappo!"

(Spider-Man collides with truck)
by Siegfried Zaga May 20, 2005
A word that most likely originates from the word "Fap" which is synonymous to "masturbate". To call someone a "Fappo" would then be similar to calling someone a "Wanker".
That guy is a total fappo!
by Calleh May 14, 2008
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.