The sub-atomic particles that connect all "bros". The extra particle is what accounts for all of bro culture. It also allows bros to send messages among each other without having to speak.
"Did you see that chick, bro?"
"Nah man I didn't."
"I was sending you major brotons!"
by GratisTheThird February 9, 2009
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A guy that is a positive influence on another guy, usually younger, who will flock around the Broton like neutrons around protons. Like a Big Brother or role model.
by Sold Out Activist May 11, 2009
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1. Broton: An electrically charged particle that makes up the atoms of a bro.

2. Bro-ton: A unit of measurement. A broton is equal to 1 ton

907) of bros.
Bro: Oh, shit, I just lost a broton! I better re-charge with some Natty Light!
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Person 1: Did you see all the bros at the game today?
Person 2: Yeah, there must have been 5 bro-tons of them.
by TheMidgette October 17, 2011
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When an element of the periodic table loses a proton, and the proton becomes a "Bro" and wants to chill and drink natties all day. Its charge is 420
Scientist 1: Oh man this sulfur ion just lost a proton...

Scientist 2: One of the protons must have taken a sip of a natty light.

Scientist 1: Oh no the proton became a Broton and now it's charge is 420!
by Doomsickle January 24, 2011
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Great friends, the type of friends who are extreamly close and super fly
Wow I wish I Had A Broton friendship ..
by Sempiternal999 January 21, 2015
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A group of pals, like a brother/sisterhood, that work together in the world of protons. Super heros that don't wear capes and super power of curing cancer. Otherwise called radiation therapists.
Rondi is a magical Broton that is a great team player and loves to feed her teammates.
by SunshineUnicorn December 30, 2019
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A phobic response one uses when being accused of bromance.
"Yo Mike, I heard you and Phil saw the Cranberries play last night. Another bromantic night?"

"Nah, it was strictly brotonic, dude."
by FTD November 9, 2006
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