People from AZ who travel to cooler states during the summer months. They arrive after Easter, go home after Labor Day.
Kid: "Dad why did that old man from AZ just pull out in front of us and drive slow?"

Dad: "Son, its summertime in Arizona, that is a Firefly"
by KarenLinAZ May 10, 2017
Get the Firefly mug.
the little embers that fall from your joint when you’re smoking in the dark.
*ember falls from a joint*
*also in the dark*
*flickers in the dark abyss like a firefly*
Bartholomew: *points at ember* FIREFLY!
Bartholemew
by akaash+saad June 13, 2022
Get the firefly mug.
When one pulls from a blunt too hard and the marijuana can be heard sparking, sometimes even visible.
Damn, this blunt got fireflies
by DrewbieDoobieDoo January 11, 2018
Get the Fireflies mug.
Fireflies is code for making-out without declaring it.
We went and caught fireflies
by May 19, 2021
Get the fireflies mug.
The combonation of feeling fire towards someone and butterflies towards them at the same time.
“That guy gave me fireflies. I felt it in my stomach and my vagina.”
by Bbn August 9, 2018
Get the Fireflies mug.
A girl who goes to raves, wears slutty clothing, and will blow anyone who gives her drugs.
Man, that girl is such a firefly. She was practically begging me for acid.
by Caen A.H. February 1, 2017
Get the firefly mug.
A summer music festival in Dover, Delaware. Filled with old sweaty men on acid, fratboys, and alcohol abuse.
Dude, let's chug some brewskis and mosh to indie at Firefly Festival
by okeydokeys June 23, 2015
Get the firefly festival mug.