promposal means an invitation, especially one which is made in an elaborate manner, in which the invitee is asked to accompany the inviter to a prom. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
Blend of prom + proposal.
noun
- An invitation, especially one which is made in an elaborate manner, in which the invitee is asked to accompany the inviter to a prom.“Once posed as a timid "Will you go to prom with me?" in the locker room, the promposal is now an extravagant public affair: Think choreographed dance numbers, serenades, elaborate scavenger hunts and dramatic staging.”