Lambwich Share definition Flag A sandwich with lamb in it/a sandwich that uses two hunks of lamb instead of bread. Shit we're out of bread and all we have in the fridge is cold meat - looks like it's time for a lambwich... Lambwich by memyselfandiyeah March 8, 2009 0 0 Get merch Get the Lambwich mug. Buy Now — $32.95 See more merch