Spending all your time on facebook when you should be doing something else of much greater importance.
Jennie- Man, I have two hours to write this 1,000 word essay for my psychology class. I could have done it last night, but I was totally face slacking.
Adri-...shitty
the act of putting something off (usually skipping a class) to go masturbate
Friend 1: "dude where were you? there was a math test that was 90% of our grade!"
Friend 2: "Oh I was slacking and jacking"
Friend 1: "oh ok that makes sense"
When you have sex with a female without a condom, you then drop an anvil on her head and fly away with your elytra.
"What have you been up to, Albi" says Carter
"Oh me? I've been... slacking bitches" replies Albi
a mental state where you no longer feel guilty for not having responded to messages your co-workers have sent you on Slack. you reach this state after sheer exhaustion and burn out, typically.
I knew I was contributing so much, and I was on the verge of burn out. The fact that I attained Slack nirvana is helping me stay calm for longer.
My boi benji was being a slack artist when he didn't accept my friend invite.
Acting stupid , or the act of doing something stupid while high
Dude you dropped your phone you’re big slacking