a burger concocted by a handicapped individual that works in a fast food joint. Note: The burger is either the total opposite of what you wanted and/or gnarly looking.
Mike-Dude, that retard screwed up my order! It's the total opposite of what I wanted!
Manda-Ha you got the freakin' tard burger!
a dumb ass retard that works at mcdonalds
Reece is such a tard burger!