The bumping of clenched fists by two male friends, in a totally heterosexual manner that represents their commitment to each other and their dedication to their bromance.
Similar to a man-hug in its origin, the brofist is a masculine way of representing deep affection between two males, and can symbolize celebration, comradery, sympathy, or the sealing of a pact between the active brofisters.
When two heterosexual males shove their fists into each other’s asshole. This could be done either for pleasure, or to show each other that they will do anything for them.
BRO FIST is the closest bond shared by bro's in a moment of eccentric awesomeness! Often expressed by two close friends (bro's) knuckle touching eachother or bro fisting.
Guy 1:Hey what were you doing with Mike last night? I heard you two up for hours.
Guy 2:Oh we were just brofisting. Its a bro thing, dude. No homo, no worries.
A thumbs-up brofist is the act of brofisting your brosef, possibly while drinking brooskis, while making a thumbs-up with your hand, and turning it sideways in a fluent motion.
"I was talking with my brosef over some beers, and when he chugged that brooski, a brofist wasn't enough. I made a thumbs-up, gave the signal, turned it sideways, and thumbs-up brofisted him.