Someone who claims they can do impossible things
"I drove over an impossibily steep wall, I'm such a Heppa" PROVE IT THEN "Oh nahh man I can't"
by since 1865 October 08, 2008
An expression spoken when one must move from a relaxed position, to a position that is generally less relaxed.
Well, I gotta get up now. HEPPA! (spoken while in the midst of the actual muscle contraction)
by TJM December 03, 2002