While I dislike players like the ones you are mentioning, the amount of times you called him a noob or a coward is kind of embarrassing. I generally dislike the mentality of high score players because of things like this.
I'm thinking maybe your "partner" lured the Whopper from the store next door.
Also, how did you do the out of bound glitch? The only one I know is on the opposite of the map from where you were standing when the vid started .... unless you used that side and ran to the other side.