A slug, similar to a snail without a shell, can represent: Slowness, or slow to change Steadiness, patience, perseverance Changeable or malleable in form, thought, feeling, or otherwise Leaving a residue, trail, evidence, or other aftermath Sluggishness or perceived laziness Dreaming of this creature can represent: Having too much of one of these qualities, or that you could benefit by being less this way Not having enough of one of these qualities, or that you could benefit by being more like this Someone or something in your real life with whom you associate one of these qualities (an event, situation, threat, etc.) For more clues, pay attention to what the animal was doing or any particular characteristic that stood out.