Using an excuse such as eating or a restroom break to leave a situation, commonly at used at work, multiple times or for extended periods of time.
A waitress uses the bathroom excessively and for overextended amounts of time to avoid serving.
"Man, she's been pulling this Mandatory Slacking shit all night."
When you only do two strokes and the cumshot dribbles out your dick like patheticly. Usually and embarrassing moment for all
Greg has a real slacking Jim. The cumshot got all over his pubes!
Prevention of someone else's ability to slack off. At work, if your computer is being repaired, but you are offered a loaner to continue to be productive, the IT guy 'slack blocked' you. If at home, you're significant other presents a reasonable request to do something, that prevents you from vegging.
My computer is being worked on by IT and I thought I'd have the afternoon off, but they slack blocked me with a loaner machine.
what happens when you try to take off your pants without first removing your shoes
The deceased was found to have succumbed to slack jam while trying to dress for his friends wedding.
A term used when someone or something is annoying boring or just idiotic in general
Jesus fuck that was slacked eh
After a long night of romance, Slacking is when you dump a hot load of cum inside her and leave out the widow, saying "you just got slacked"
When you cum inside a girl without a condom
"Babe, did you wear a condom?" "No, you just got slacked."