Some schools have a time policy for professors which allows students to leave if the instructor does not arrive after a given amount of time. Clock Blocking is when a professor arrives just before this time expires.
It was 11:14 and we were so close to having class cancelled when Dr. Jones walked in and totaly clock blocked us.
by DJ Walt April 23, 2009

When you go into a public restroom that people are lining up waiting to use. You have to keep an eye on the dump clock. If someone runs over their allotted time, you bust the door down and scold them about minding the dump clock.
Bill - I have to go take a dump.
Bobby - Keep an eye on the dump clock.
*an hour passes"
Bobby rushes into Bill's stall and busts down the door - "Didn't I tell you to keep an eye on the dump clock?"
Bobby - Keep an eye on the dump clock.
*an hour passes"
Bobby rushes into Bill's stall and busts down the door - "Didn't I tell you to keep an eye on the dump clock?"
by Swig swig swigless March 26, 2013

by MegaMas007 June 6, 2017

by Alpha_Ranga August 8, 2020

An individual who possesses certain attributes that reveal their true gender. Usually used in the lgbtq community to distinguish a biological woman, versus a transgender woman. “Clock Monster” is a derogatory term.
Vanessa is such a clock monster: you see that hard ass jawline and them big feet? Even though she has a wig on, you can definitely tell that’s a man.
by mkckjclub January 29, 2023

narrow-minded thinkers
by KorruptLeKleptocrat April 16, 2019

by minutezdef May 17, 2021
