Noun slacker has 1 sense

1. slacker, shirker - a person who shirks their work or duty (especially one who tries to evade military service in wartime)
   --₁ is a kind of idler, loafer, do-nothing, layabout, bum
   --₁ has particulars: goldbrick; malingerer, skulker, shammer; scrimshanker
   

   Derived form: verb slack1

Definition:

A term used to describe people who avoid work or ignore responsibilities; individuals who lack motivation or ambition.

Examples:

• 1. The new intern is always showing up late to work and never completing tasks on time, earning a reputation as one of the office slackers.
• 2. Don't be a slacker and start working on your assignments now instead of waiting until the last minute.
• 3. Despite having the potential to excel academically, Mark has adopted a slacker attitude and is barely passing his classes.

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