The time when events go south at a bar or series of bars close to each other(Caroline Street in Saratoga Springs on a Friday or Saturday night) A time when fights break out, people get thrown through windows stabbings and even people getting shot. The timing is fluid, it can start anywhere between 11pm to 4am and happen multiple times despite a large police presence.
Hey, let's get out of here, ugly o clock has just started and I don't feel like dealing with some chode who going to try to pick a fight with me.
by GrouchoMarxx April 29, 2022
Get the ugly o clockmug. by Bfhhx June 10, 2022
Get the Jordan Omug. To take control of a object by picking it up with one hand using all 5 fingers and as a result an "O" is made with both sides of your hand.
1) Adam:That toy train is going to crash into a wall.
John: Deploy the O-5-O!
2) * An adult picks up a kid's toy car.*
Kid: Hey I was playing with that!!
Adult: sorry but the O-5-O says you should stop.
John: Deploy the O-5-O!
2) * An adult picks up a kid's toy car.*
Kid: Hey I was playing with that!!
Adult: sorry but the O-5-O says you should stop.
by Adathorrules October 21, 2013
Get the O-5-Omug. 
When a person asks or says something obvious so you reply with o na. Like why would you ask that thats so obvious. Can also be used to say yes to what they are saying. Can also be used with other terms like "O na guys" "lol o na" OOO NA GUYS"
by Parthsarthi Muranjan April 9, 2024
Get the o namug. by and they were room mates. April 21, 2020
Get the fuck-o-metermug. by Allen Was Here September 13, 2025
Get the Steve-O's Splash Zonemug.