The point in a day when you have finished classes or work for the day, resulting in the perfect time for bro soda, bro hoes, bro games, and bro music.
"Yo you were supossed to be here an hour ago at bro o'clock. Beer pong, Weezy, Sorostitutes and Sportscenter have been gettin bro'd without you."
by Double Bro Seven February 8, 2010

*people dancing at a party*
Person 1: It's No Shirts O'Clock
Person 2: Hell yeah it is!
*Takes off shirts*
Person 1: It's No Shirts O'Clock
Person 2: Hell yeah it is!
*Takes off shirts*
by ihateshirts6969 October 21, 2011

The time of day assigned to banging.
by Dark_Mace December 23, 2009

by Princess, Fufu, Michelle, Jonathan May 16, 2006

A time so late in the night where everything is funny to you and your friends. Usually achieved after being awake for 20 or more hours. Similar to being high, even the least funny things appear hilarious.
"Knock knock."
"Who's there?"
"You're gay."
"Hahahahahahaha! That wasn't even funny... it must be silly o'clock."
"Who's there?"
"You're gay."
"Hahahahahahaha! That wasn't even funny... it must be silly o'clock."
by Baron Von Yiffington August 22, 2009

The time of day that arrives when you show up at a bar or house party, and there's barely a chick in sight, except maybe a few fugly ones, and you have to leave and go somewhere where it's not a total sausagefest.
"Bad news boys, it's cock o'clock in here. We're gonna have to split and change locales if we want to sink the pink tonight."
by The Virgin Liberator December 15, 2009

Scott: "Hey, bitch, what are you doin'?"
Danny: "Nothin, why would I be doin' anything? There ain't shit to do, it's broke o'clock."
Danny: "Nothin, why would I be doin' anything? There ain't shit to do, it's broke o'clock."
by XyourXworstXnightmareX January 23, 2005
