From zoom + -er.
The sense of "active baby boomer" is influenced by the word boomer, and is attributed to Moses Znaimer.
Meanings
That which zooms.
The car zoomed – the driver was definitely a zoomer – away to some unknown car pool […] 2011, Gavin Lyall, Uncle Target:
A kind of small swim fin.
(neologism) A baby boomer with a very active lifestyle.
A recent study released by the Conference Board of Canada states that the Zoomers (Baby Boomers who refuse to age), Gen X and Gen Y have more in common than we might think. 2010, Cheryl Cran, 101 Ways to Make Generations X, Y and Zoomers Happy at Work, →ISBN, page 15:
(Scotland) An eccentric, erratic or crazy person, particularly associated with more extreme supporters of Scottish nationalism.
(plural-normally, vulgar) A woman's breasts, especially large breasts.
As she exited the tomb, momentarily blinded by the bright sun, she was vaguely aware that the other members of the party were staring at the impressive zoomers filling out her dusty tank top.
He was hoping she was going to come back out since she left the glass wall open. He kept lowering the paper hoping to get another eyeful of her awesome tits in high def in the bright morning sun. The last time he lowered the paper and took a drag on his cigarette he saw her standing there with her double barreled rocket grenade launcher pointed at him.
"You like my tits? I'll show you a pair of zoomers." 2021, Shearling Coats, Dune Hunters Space Club, Shearling Coats:
Sonya Posner had herself a serious rack. I'm talking major league zoomers. She could give even Lovely Rita a run for her cup size. 2013, David Handler, “Chapter Two”, in Runaway Man: A Mystery, Macmillan:
"Kelso said she had the biggest zoomers he'd ever seen."
"Zoomers, Brian?"
"You know what I mean, zoomers, coconuts, boobs!" 2011, David Seaburn, Charlie No Face, Savant Books and Publications, page 88:
Portmanteau from Generation Z and boomer (“baby boomer, a person born between 1945 and early 1960s”). Merriam-Webster identified the earliest use in its current sense as being made on 16 March 2016 by an aviation engineer named Jennie Santoro at HNTB Seattle, in a presentation called "Boomers to Zoomers: Passing the Torch to Generation Z!"
However, the word was ultimately popularized through a variant of the Wojak meme which originated on 4chan on July 21st, 2018, and from there spread to other platforms. Accordingly, Urban Dictionary view statistics suggest that it began gaining traction in mid-2018 before peaking in January 2020.
Meanings
A member of Generation Z.
Hug a Boomer/Xer/Millennial/Zoomer In case you missed it: Gen Z is mad at boomers for the state of the world; boomers are mad at Gen Z for being so dismissive; Gen X feels forgotten and yet resents even themselves; […] 2019 December 27, Anya Strzemien, “13 Ways to Be a Better Person in 2020”, in New York Times: