DICTIONARY
Slip - To dream that you slip on something suggests that you are forcing yourself to do something that you do not really want to do. To dream that you are wearing only a slip represents your individualism. You are trying not to be like everyone else and wanting to find your own way. You are showing courage by standing by your own beliefs. Alternatively, wearing a slip indicates that you are revealing a part of yourself that was once unknown.
Slippers - To see or wear slippers in your dream suggest that you are feeling sluggish and/or insecure. You feel that you do not have a strong foothold in some situation. Alternatively, wearing slippers represent domesticity, ease, comfort, and/or relaxation. This dream symbol may mean that you need to relax. Or you are relaxing too much and are being lazy.
Slippery - To dream that you are walking on slippery ground indicates a lack of progress in some endeavor. You need to rethink your course. Alternatively, it symbolizes caution. You need to be careful in what you say and do; otherwise you might get yourself into trouble.
Slot Machine - To see or play a slot machine in your dream suggests that you need to be more careful with your spending. Or you need to allocate your time and energy to something more productive. Alternatively, a slot machine symbolizes luck and chance. Perhaps the dream is telling you to take a gamble on something. Go for it. If you dream that the slot machine is broken or malfunctioning, then it means that you are feeling emotionally or financially drained.
Sloth - To see a sloth in your dream indicates your passivity in a situation. You need to assert yourself and make your presence known. The sloth is also symbolic of gentleness, laziness or lack of ambition.
Slow Motion - To dream that you are moving in slow motion suggests that you are feeling powerless, anxious or frustrated. You are currently going through a hard time in your waking life and experiencing tremendous stress, which is almost immobilizing you.
Sludge - To see sludge in your in dream represents your rejected or shameful emotions. It also symbolic of low esteem. Consider the source and color of the sludge to pinpoint what emotion your dream may be highlighting.
Slugs - To see slugs in your dream indicate that you are progressing through life in a slow, steady, and persistent manner. Perhaps you are moving painfully slowly toward a goal. Alternatively, the dream may be a pun on "feeling sluggish". To dream that slugs are coming out from inside your body suggest that you are having difficulties expressing some aspect of your emotion. Consider where in your body are the slugs coming out from.
Slumber - Party *Please See Sleepover.
Slums - To dream that you live in the slums indicates your negative outlook, deteriorating thoughts and crumbling ideals. You are feeling sorry for yourself and letting your own negative thinking take over your frame of mind. Alternatively, the dream suggests that you have poor self image or poor health.