look up any word, like bukkake:
 
9.
A goal scored in football/soccer with a lot of power usually from out side of the box
Guy 1: "Did you see Luka's goal?"

Guy: "Yeah, was a proper boomer!"
by LosReyes March 21, 2013
 
8.
1. slang for psychedelic mushrooms
2. a nickname for a (loud) father
those were pretty good boomers you got last week.

i really hate it when boomer doesn't wear a belt.
by blistre April 18, 2005
 
10.
Those who think they can drink a lot, end up drinking too much and puke their guts out resembling a boomer from the Left 4 Dead video games series where a boomer pukes on players.
Holy shit! I can't believe Brandon drank that much! He looked like a total boomer when he was puking his guts out!
by King Schrong June 04, 2011
 
11.
an overweight, tag along friend that ruins things for the guy trying to get with the girl (the hot girl who is the boomer's friend).
HOLY SHIT GIGI IS SUCH A FUCKING BOOMER. IM TRYING TO GET WITH SARAH, BUT HER FAT, BOOMER FRIEND GIGI IS ALWAYS AROUND
by timhunter5 September 23, 2009
 
12.
A person who is always full of shit. A fake or shady person.
damn, what a fucking boomer. She's always on that lying shit.
by cleftoz June 19, 2014
 
13.
An annoying "special" zombie in Left 4 Dead 2. It's a fat-ass zombie that throws up on you, making your sight all loopsy like you're on an acid trip.
Man, Boomers are the worst!
by Billy_Fucking_Mays October 26, 2012
 
14.
US Navy slang for a ballistic-missile submarine.

http://en.wikipedia.org/wiki/Ballistic_missile_submarine
The US Navy boomers are the Ohio-class.
by Axeman73 April 09, 2009