The act of putting one or more glow sticks in your butt or pussy, usually as part of a sexual fetish, usually in the dark. Most likely to be used while
dogging, at sex clubs and for
public sex to attract voyeurs and additional participants.
Occasionally used as part of a drinking game, or drunken challenge.
Also known as a
glowworm or beacon.
example 1 : "When I
walk the dog in the wood at night, you sometimes come across people dogging, last night I spotted some fireflys - there were about 10 others watching them, I got really horny."
example 2 : "Last night at the sex club there were 3 female fireflys - using glow sticks as dildos!"
example 3 : "We were playing drinking games last night, and did a firefly race. Jeff, the fat bastard was so slow, the cops turned up and nearly caught him - imagine having to explain being naked with a
glow stick jammed up your shitter to the fuzz"
