shamburger
n.— «“Yes, well the thing between the bits of “bread” and covered in tissue paper and gooey stuff is supposed to be a hamburger, but I’m buggered if I can see the resemblance.” “I guess they should call it a ‘shamburger.’”» —“Re: Am I the only single male in Britain?” by Stuart A. Bronstein Usenet: uk.singles Oct. 19, 1997. (source: Double-Tongued Dictionary)