Sometimes spelled bonerflex. A boner-flex is when one is in a public place or something and he is horny and has a boner. However, not wanting to embarrass himself by masturbating, he flexing his penal muscles to acquire the intended pleasure.
The word boner-flex can also be used as a substitute for various swear words.
The word boner-flex can also be used as a substitute for various swear words.
Dude, I was so horny in class so I just had a great boner-flex.
Dude, what the boner-flex?!
Son of a boner-flex!
Dude, what the boner-flex?!
Son of a boner-flex!
by Smittalicious October 21, 2014

1) a phrase you shout once your penis becomes erect.
2) a phrase you shout when you are about to beat someone so bad in a videogame that it makes you sexually aroused.
2) a phrase you shout when you are about to beat someone so bad in a videogame that it makes you sexually aroused.
mike: "It's Boner Time!"
Bob: "you have a boner right now, dont you?"
Mike: "yep"
John: "oh man! This match is full of noobs waiting to get pwned! It's Boner Time, bitches!"
Bob: "you have a boner right now, dont you?"
Mike: "yep"
John: "oh man! This match is full of noobs waiting to get pwned! It's Boner Time, bitches!"
by paster whackadoodle August 9, 2012

Even though she made him mental,Paul made sure he had boner insurance by dating his present girlfriend until he could find a better replacement.
by sheila in the car September 23, 2011

by DariusRamboWhite December 23, 2011

An erection (or boner) achieved whilst watching inappropriate or even non-sexual material, such as scenes featuring:
1. Incest
2. Children
3. People dressed as manatees
4. Cartoon characters
5. etc.
1. Incest
2. Children
3. People dressed as manatees
4. Cartoon characters
5. etc.
"I got such a wrong boner watching..."
1. The sex scene in Oldboy
2. Natalie Portman in Leon
3. Manatee porn
4. A pixelated Sonic The Hedgehog with porn sounds added on YouTube
5. A picture of a shoe
1. The sex scene in Oldboy
2. Natalie Portman in Leon
3. Manatee porn
4. A pixelated Sonic The Hedgehog with porn sounds added on YouTube
5. A picture of a shoe
by DrJonas February 4, 2010

something late 90's and early 2000's highschool kids used to say a lot. its when a male uses a banana and puts it in his pants to trick the female thinking it's really his
sydney: man dylan's good!
bria: wdym it's a B.B
sydney: what's that?
bria: it's a banana boner
sydney: so it's not really his?
bria: nah
bria: wdym it's a B.B
sydney: what's that?
bria: it's a banana boner
sydney: so it's not really his?
bria: nah
by carrotsandparrots April 5, 2020

The reaction an eco-friendly male experiences when they come into contact with eco-friendly technology or lust item.
by JamieSeguin June 26, 2007
