Somebody who is not right in the head or who behaves out of the ordinary A joker.
Jon set fire to his groin. So he must be wapped, wappy, a wapnut, wap head, warped.
by UK Frank February 19, 2009
to be really stoned/inebriated under the influence of marijuana
after 5 j's luke was so fucking wapped
by skane November 29, 2003