4 definitions by Billy from Philly
A Pop up tag is a hashtag game on twitter that isn't scheduled. Somebody thinks of a hashtag they think is fun and post it on twitter, people that like the hashtag play along.
by Billy from Philly July 13, 2018
by Billy from Philly November 23, 2019
by Billy from Philly May 6, 2020
by Billy from Philly June 19, 2018