Elf shoes are pieces of leftover pizza that are at least a few days old. Defined by the âcurlâ at the point of the pizza slice, looking like an elf shoe. Typically, elf shoes happen because leftover pizza wasnât refrigerated. While its not safe to consume pizza thatâs been left out for more than a few hours, weâre all guilty of leaving the pizza box out for a few days, slowly chipping away at the leftover elf shoes.
âHey, bro. You wanna help me finish this box of elf shoes? â
âI should have known that those elf shoes would make me feel like crap!â