1. An expression of joy usually accompanied by raising both arms in the air; the higher, the more joyful.
Can also be used sarcastically.
Synonyms for YAY!
On this page, you will find 30 slang terms related to YAY!. Some of the top words include: Arafateeba, weeeee, dominomothafucka, huzzah, LOSAH!!, and 25 more.