1. Dead Body: This is the most common and most literal meaning of "stiff" in slang. It's a blunt, sometimes disrespectful, way of referring to a dead person.
2. Unresponsive or Uninterested: "Stiff" can also mean someone who is unresponsive or uninterested in something, often in a social setting. For example, "He was being really stiff at the party and wouldn't talk to anyone."
3. Unbending or Rigid: In some cases, "stiff" can be used to describe someone who is unbending or rigid in their opinions or behavior. This is often used to describe someone who is inflexible and unwilling to compromise.
4. Not Smooth or Natural: You might hear "stiff" used to describe something that is not smooth or natural. For instance, "His dancing was so stiff," or "Her acting was very stiff."
5. Lacking Flexibility: In some contexts, "stiff" can refer to something that lacks flexibility or is hard to bend.
It's important to remember that the meaning of "stiff" can vary depending on the context and the speaker's intentions. It's always a good idea to consider the surrounding words and the overall tone of the conversation to understand what the speaker means.