Often-elaborate high school invitation

• Event that might involve a flash mob or a decorated locker
• Over-the-top way to ask someone to the big dance
• School dance invite portmanteau
• Senior's elaborate ask

Wikipedia Word definitions in Wikipedia
"Promposal" is the twentieth episode of the seventh season and the 164th episode overall of the American sitcom Modern Family . It aired on May 4, 2016 on American Broadcasting Company (ABC). The episode is directed by Ken Whittingham and written by Stephen ...

Wiktionary Word definitions in Wiktionary
n. (context informal English) An invitation, especially one which is made in an elaborate manner, in which the invitee is asked to accompany the inviter to a prom.