1 definition by notschmoo
a party pooper. someone who sucks all the fun out of a situation for no reason. thinks they are very cool and smart, but they just sound bossy and boring. often a simp.
Dude, we've been planning this for months and now you aren't gonna do it because you think we'll be out too late? You're such a schmoo.
by notschmoo July 30, 2020