A regro boomer is a younger boomer... aka a teenager. A regro boomer is between 13 years and 19 years old.
**Group of 15 yrosm walk by**
12 yro #1: Look Regro Boomers
12 yro #2: Nest year we are going to be Regro Boomers
Both #1 and #2: :O
A black person (Negro)
That is regressing.
"Lol this joke is so funny" - person showing unfunny video
"regro." - Chad