boomer 

the ultimate in an activity or sport.

Homerun, touchdown, goal, strike, bingo.

1) We are down 5-4, we need a couple of boomers to win this one!

boomer by GavinT March 19, 2008

boomer 

Currently, in 2019, common worthless sheep children use it as a new insult. The source is unknown. But they follow and copy eachother like clones.

"what a boomer"

boomer by ‍ September 25, 2019

boomer  

a man with a bomb about to commit suicide.

my name is jameal I get bullied in science so now im a boomer terroist a terrifying boomer terrorist. SILENCE!!!!! i kill you.
I TOLD A JOCHE.

boomer by jezzyboyoman March 10, 2008

Boomer 

An older millennial who whilst being engaged with modern society, takes a smug and dismissive tone to anything new culturally, and generally acts as if they are the center of the universe. Usually interested in video games, science fiction and comics. Probably has a podcast.

ZP is such a boomer.

Boomer by Green_Lance April 21, 2019

Boomer 

Someone of middle age who drinks Monster, rollerblades, and longs for the good old days.

"Hey, Kelsey, don't be a Boomer."

Boomer by Shut up Libtard May 8, 2019

Boomer 

A word used by redditors on r/dankmemes as an insult

Person on reddit:says fortnite is good

Everyone:shut up boomer

Boomer by Hitler the suicide bomber September 24, 2019

boomer 

a boomer is someone who’s old. teenagers often used the term “boomer” to refer to themselves or their friends as jokes.

ethan: “i liked veggie tales growing up.”

alex: “veggie tales? you’re such a boomer!”

boomer by notaboomergirl October 26, 2019