at the eleventh hour

At the last moment possible

"She always turned her term papers in at the eleventh hour."

by LIsa llLUI March 22, 2017

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button hour

A button hour is a unit of time equal to 10 minutes or 1/6th of an hour.

I worked a 240 button hour (40hr) week. We will watch a 10 button (2hr).

by ADreamOfThePit November 29, 2019

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Microsoft hour

The arbitrary amount of time it takes to install Windows XP on your computer. Usually somewhere between 40 and 120 earth minutes

I need to reinstall windows. I'll be back online in exactly one microsoft hour.

Your computer will be ready in one microsoft hour and 30 microsoft minutes

by d4m4s74 August 22, 2012

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Masterpiece Hours

The time period of which two good friends waste exuberant amount of time in Dota 2, time that which could otherwise be spent producing masterpiece levels of art and or other accomplishments.

Hey John, are you ready for our Masterpiece Hours? I'm really excited to spend an hour in a game of Dota 2 that we go on to lose.

by Jdot1998 February 27, 2023

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