Top definition
An unsettling experience where one goes on youtube to watch a single video and wakes up hours later not knowing what time it is or how much of their life was just wasted watching videos.
Are you okay? Where the hell were you?

Yeah, sorry, lost track of time... Must have been a youtube coma. What day is it?
by dreamweaver6242 January 27, 2010
Get the mug
Get a Youtube Coma mug for your sister-in-law Beatrix.