Miranda: "Elias isn't at school because he's probably doing his two favorite things - sleeping and masturbating."
David: "He's probably doing them at the same time. He's sleeping off!"
By Myrna
Sleep Off
where a person stays off school/college for a certain amount of time via sleeping in before going into the educational vacility
luke: i might sleep off first lesson tommorow
ryan: why?
luke: got overduecoursework. cba to do it tonight.
By Rosana
Sleep-off
Masturbating for the sole purpose of falling asleep. Used when you have to get a good night's sleep but you're not tired.
Guy 1: Dude I have to go to a job interview tommorrow morning, we shouldn't have chugged all those Red Bulls.
Guy 2: Don't worry. I brought a Playboy, just go sleep-off in the bathroom. You'll be drowzy in no time.