Vision: Having a noose around your neck: you have acted unethically and are now faced with the consequences. Try to find an honest solution quickly.
A sling lying in the road: be cautious in business transactions—someone is setting a trap.
Depth Psychology: Are you trying to catch something or someone? Are you afraid someone is trying to catch you? Paying attention is now the best way to avoid danger, and stick to yrour agenda.... Dreamers Dictionary
(Sling; Catapult) Bringing a slingshot before a sick person in a dream means transporting him to a new place, or it could mean his death and burial.
A slingshot in a dream also means removal of a guardian from his office, or recovering from drug addiction, or it may represent a messenger. Using a slingshot to cast stones at others in a dream also means rightly invoking a strong curse on them.
If one sees a woman using a slingshot to throw stones at him in a dream, it means sorcery or witchcraft.
A slingshot in a dream also denotes just and harsh words. Holding a slingshot and preparing to shoot in a dream represents one’s strength and determination to say something just and true.
If one carries a slingshot but adoes not use it to cast stones in the dream, it means that he will repent for his sin.... Islamic Dream Interpretation
Vision + Depth Psychology: Using a slingshot: someone is planning a nasty- attack. Watching others use a slingshot: somebody is planning something treacherous, and your defenses are not what they should be.... Dreamers Dictionary
To see (or hold/use) a slingshot in your dream suggests a need to defend and protect yourself emotionally and/or physically. You are experiencing some conflict in your waking life. This dream may also represent a fear of sexuality.... My Dream Interpretation