Speed, haste, rapidity or quickness. Gamers often have celeritous reflexes and athletes run celeritously.
Celerity is the defining trait of reflex oriented activities like tennis or halo.
by Nathan July 18, 2004
a word made up by a streamer named Noah.
I hear you know the rock, you must be a celerity!
by Rokten October 25, 2020
"Is your birthday Tuesday nigga?"

"Hell yea nigga come celerate that shit with me at the club Wednesday nigga"
by PeteyPee January 6, 2010
A based porn addict who also writes fanfictions. But gave up.
Omg, It's Celer
by Celerty January 19, 2022