Bro Culture , also known as Gymbro , is a subculture of young hypermasculine men who spend time partying with others like themselves. Although the popular image of bro lifestyle is associated with sports apparel and fraternities, it lacks a consistent definition.

Most aspects of Bro Culture can vary regionally, it can blend in with the Surfer culture of California, the Redneck culture of the Southeast, the Preppy culture of New England, the Chav culture of England, et cetera. Bro Culture guys may often be seen around some Baddies or older members of Bro Culture may find themselves with a Karen on their hands.

Bro Culture visuals feature things that will typically get the adrenaline pumping and the testosterone flowing; fast and/or loud cars, sports , guys getting drunk, ogling beautiful women , and occasionally getting into fights in an attempt to establish the bro-hierarchy in a particular troop of Bros .  When the Bro is pacified, he can be generally be well-meaning and laid-back, but if the Bro is angered (or incredibly drunk) it might be best to stay away from the Bro at all costs.

Bro Culture fashion features cargo shorts or pants, jean shorts (or "jorts"), sportswear, camouflage patterns, baseball caps, and t-shirts or hoodies emblazoned with the Monster Energy Drink logo. Bro Culture's fashion is generally similar to Normcore (although Normcore is going for a completely different vibe).  But while the Bro generally just wants to hang out, have a few drinks, and watch the game, some Bros have a tendency to get super aggressive at the drop of a hat. Bro Culture fashion includes:

Unlike many aesthetics, Bro Culture's color palette is not restricted; it can extend throughout the entire color spectrum.

According to Know Your Meme, the earliest documented proof of a Kyle is Nick Colleti's "White Kid Fight" Vine. On April 18th, 2019, Twitter user @vinnybrack posted a "Nobody:" joke about "kids named Kyle", showing a shirtless white boy with a collection of Monster Energy drinks and a hole punched into drywall. The tweet amassed over 29,000 retweets and 128,000 likes, and on May 27th, 2019, YouTuber Trevor Wallace posted a video in which he performed the exaggerated "Kyle" character, gaining over a million views.