Top definition
A frustrating situation when after feeding a guy booze and listening to him talk about himself all night at the bar, you get him home and as you take off his pants you're dissapointed to find that he has a teeny tiny penis.
Steve: "I thought I'd picked up a good fuck for the night then I suffered Lunchbox Letdown."

Kyle: "I hate that!"

Steve: "It was tiny AND crooked, fucksakes."
by jdiddy77 January 20, 2012
Get the mug
Get a Lunchbox Letdown mug for your mama Larisa.