It only takes one dumbass to ruin a good time. During a large pool party in San Marcos, Texas, a few (I’m assuming) boozed up frat boys decided to ruin a good day by getting into a multi-person brawl.

The brawl kicks off when one guy uses the age-old strategy of talking sh*t to someone while keeping his hands down to his side. You’d think people would know by now that this is a horrible fighting technique. If you’re gonna be running your mouth off, you might want to keep your hands up.

What ensues is a multi-person fight that includes diving spear tackles, a guy getting punched so hard he falls into the water, and a lot of phones out recording.

Peep the action below: