1 : to do something with less effort or energy than before I was exercising regularly last summer, but I've been slacking off recently. 2 : to become less active, forceful, etc. Their business has been slacking off in recent months.

What does a slack off mean?

1 : to do something with less effort or energy than before I was exercising regularly last summer, but I've been slacking off recently. 2 : to become less active, forceful, etc. Their business has been slacking off in recent months.

What does slack mean slang?

noun. 4. The definition of slack is someone or something weak, slow, relaxed or careless.