When smoking weed, if you take a hit and some weed goes through your piece and enters your mouth, also known as "shit on"

the thing that you don’t have when you’re phones percentage is over 20

Being "owned" or formally known as having horse shit shoveled (preferably with a shovel) into your own or someone else's ass hole. This act also references with "Scoob" which is the person who gets it shoveled into their ass.

extremely high or done for.

a hook-up where you felt you lived up to your sexual prowess.