To give up the will to try/the will to fight/or possibly stay silent/take the path of least resistance - but mainly to choose for whatever reason to throw in the towel on a situation where progression seems too difficult/daunting - my take on it anyway
Initially Tony could not face the thought of all the pain/work involved in reclaiming his life and mobility after his traffic accident .. So for awhile he could only 'Roll over and Play dead like a wounded animal may do.
(n). A type of high you get in the morning because of how high you were the night before.
Person A: Dude, I got hella fucked up at that party last night.
Person B: I know man, I was there... You slapped Cindy's ass and she kicked you in the balls. Haha
Person A: At least I woke up with a hell of a roll-over high from the weed we smoked.
-Give up easily without a fight. To loose all will to continue on.
-Die in extreme pain with little to no retaliation.
-What they teach you in the Marine Corps.
Chuck (tv series), season 3 ep 12, 11.2 min:
Chuck: Forget it. She's leaving with Shaw in the morning. Sorry guys, it's over. I'm going to go get some fresh air and figure out how I'm going tell Beckman I'm quiting.
(Chuck exits scene)
Casey: There goes our chance to ever get out of the Buy More...
Morgan: Really, is that what they teach you in the Marine Corps?