rip time 

Something that takes a lot of your time, especially when you did not intend it. Synonyms: time ripper

From rip tide

I just discovered the Urban Dictionay. It was like I stepped into a rip time.

rip time by Lude February 11, 2005

rip it time

The time that you have after someone leaves the room for you to get all of the gas out of your butt before they come back.

"Man, if I only had 10 more seconds of rip it time then I wouldn't have had to leave her house early."

rip it time by Maddiekitty333 October 19, 2013