1 definition by Mark Monaghan

The action marks preceding a logo or cartoon character as it runs. It is the onomatopoeia of these action marks.

The UCSD improv comedy team is named for these marks. This is not an acronym.
The logo for the LA Clippers has action marks preceding the basketball. These are foosh marks.

"It's like the word itself is running. It's like, foooooosshhhh!"
by Mark Monaghan February 10, 2008

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