When someone says "Queef on my birthday" they usually mean that something bad or really awkward happened. This term is usually used by Skaters, Snowboarders, Surfers or Longboarders. Sometimes when the situation wasn't as bad then they say "Queef after my birthday".
Degnarly: "Dud remember when that girl caught you staring at her ass?"
Vestigialman: "Yeaaah man that was like a Queef on My birthday mannn."
Degnarly: "Yeah Man that was not sick man that was awkward man"
Vestigialman: "Yeaaah man that was like a Queef on My birthday mannn."
Degnarly: "Yeah Man that was not sick man that was awkward man"
by Vestigialdud April 26, 2018