Top definition
To koss - kossing - kossed
Listening to loud music through headphones without isolation in a public place, causing everyone around you to hear the music just as loud as you do.
Bill: God damnit, thomas! Stop kossing me!

Thomas: *DoesnΒ΄t respond due to too loud music*
by BEdefinitions September 13, 2010
Get the mug
Get a Kossing mug for your fish Manley.