There was this little guy sitting in a bar, drinking, minding his own business when all of a sudden this great big guy comes in and --WHACK!! -- knocks him clean off the bar stool and onto the floor. The big guy says, "That was a karate chop from Korea."
The little guy thinks "GEEZ," but he gets back up on the stool and starts drinking again when all of a sudden --WHACK-- the big guy knocks him down AGAIN and says, "That was a judo chop from Japan."
So the little guy has had enough of this... He gets up, brushes himself off and quietly leaves. The little guy is gone for an hour or so when he returned. Without saying a word, he walks up behind the big idiot and --Bong!!!-- bangs the big guy off his stool, knocking him out cold!!!
The little guy looks at the bartender and says, "When he comes to, tell him that was a crowbar from Sears."