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.
by Green_Lance April 21, 2019
Get the Boomermug. Person 1:I hate boomer so much
Person 2: nigga u talking about gay bowser
Mario:hi guys what u talking about
Everyone:ok boomer
Person 2: nigga u talking about gay bowser
Mario:hi guys what u talking about
Everyone:ok boomer
by That 1 black nigga November 6, 2019
Get the Boomermug. An individual who looks to defy COVID-19 regulations by claiming that wearing a mask and following social distancing measures is infringing upon their liberty.
"I don't want to wear a mask, it makes my face hot, stinks, and makes me look too ugly for my instagram story"
"Karen, just wear the damn mask for god's sake you boomer"
"Karen, just wear the damn mask for god's sake you boomer"
by AJD_24 August 2, 2020
Get the boomermug. 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"
by September 25, 2019
Get the boomermug. 
Get the Boomersmug. City of Boom - Promatic
listen to the song, it explains
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NYC guy: yoo kidd them D boys, are some hustlers.
Detroit guy: Hey dogg, imma fuckin boomer!
NYC guy: ooh sorry sir!
listen to the song, it explains
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NYC guy: yoo kidd them D boys, are some hustlers.
Detroit guy: Hey dogg, imma fuckin boomer!
NYC guy: ooh sorry sir!
by nathan zee April 7, 2008
Get the boomermug.