👉 slacky is a verb that means to be easily or casually. It also has several meanings: 1. Sluggishly: to move slowly or with slow movements. 2. Slackily: in a relaxed manner, without being tense or rigid. 3. Sliding: a motion of one part moving towards the other. Slackly is an adjective that can mean "slightly" or "slightly unimportant," depending on the context.