12 O' Clock 

1.the middle of the day or night
2.a type of clock where the direction that you face becomes 12 O'clock.it is usually used to secretely point out the location of a hot girl, or anything of that sort.

Example 1.
dude 1. yo what time is it?
dude 2. its 12 O' Clock
dude 1. Which one?
Dude 2. in the afternoon.
dude 1. Word?
Example 2.
JO. yo there is a chick over there with nice tigobigees
Me. where?
Jo. 12 O'Clock
me. Sweeeet

12 O' Clock by Sahara Desert December 21, 2008

12-o-clock 

A wheely that stands straight up and down.

Damn, that motherfucker just kicked a tight as 12-o-clock wheely. damnnnn that shit was tight!!!!

12-o-clock by Benny Chains December 18, 2004

12-o-clock tuck

When you need to hide an erection and you tuck it straight up into your waistband/beltline. The cock is similar to the hand of a clock at the 12-o-clock position.

guy: Hey, can you tell I have a raging hard on right now?

girl: What the fuck?

guy: Yeah, just did a little 12-o-clock tuck.

12-o-clock tuck by rza00036 October 3, 2007

12 O'Clock Blinker

Someone who is so inept of technical knowledge that all clocks in his or her house blink 12:00 constantly. (VCR, Microwave, etc.)

That 12 O'Clock Blinker couldn't figure out how to make toast let alone reboot her computer.

12 O'Clock Blinker by Ed Shusky January 9, 2006

12 o'clock flasher 

Someone who is technologically inept and or computer illiterate. Referring to an instance of a VCR or other home appliance or clock at that persons house constantly blinking "12:00" (likely for a while, due to their inability to set the item to its proper time)

Hey Johnny you busy?

Actually I am, I gotta help my mom check her email.

Can't she do that herself?

Nope, she's a 12 o'clock flasher...

12 o'clock flasher by big bobs house of feces October 11, 2023

12 O' Clock Tuck 

When you get a boner in public and flip your cock up into your waistband.(It feels good so try not to bust a load into your bellybutton.

"Dude I was in class and I was thinking about Gabby Bedard and Brandon Smith cuz I'm bi, and I got a boner so I did the 12 O' Clock Tuck. Works everytime. No one knew I had a boner. Except I did bust a load into my bellybutton cuz it felt good." said Tucker Kreis

12 O' Clock Tuck by Brandoner Smith January 11, 2008

12 O' Clock Tuck 

When your in public and you get a boner, so you flip your cock up into your waistband. It feels really good so try not to bust a nut into your bellybutton.

"I was sitting in class thinking about Gabby and Brandon, cuz i'm bi,when I got a boner so I did the 12 O' Clock Tuck and no one knew I had a boner. It felt so good, I almost busted a load into my bellybutton." said Tucker

12 O' Clock Tuck by Brandoner Smith January 12, 2008