A period in someone’s life when they simply eat alone. They have no person at that time to eat with… Which isn’t sad, it’s just their mouse moment; this moment is neither sad, happy, infuriating, nor is it disappointing. It’s just someone getting by through life.
I was halfway through my rice ball in my car which was parked in a random neighborhood, when I realized I was going through a mouse moment.
by Abalt October 31, 2022

a black eye.
Will looked at Jem thoughtfully. "I seem to have woken up with what they call a Monday mouse," he said, pointing at the bruised skin under his eye. "Any idea where I got it?"
"None."
"None."
by I'M THE REAL JOHANNA May 11, 2012

by Mrmcchicken July 6, 2011

The residue left over on your mouse after excessive gaming or mouse use. Can also be found on keyboard.
by Foryouhehe February 14, 2010

to masturbate at your computer
by Herb N. Dictionary October 25, 2002

by J. Lowndes August 14, 2006

What a guy has when he tries to penetrate while only half-hard. Comes from the visual similarity to a fat mouse trying to crawl through a small hole.
John told Suzie to work him a little longer before she mounted him, so that he wouldn't end up with fat mouse.
by JasonWS May 30, 2007
