Definition:
Chump is a slang term that refers to a foolish or gullible person who is easily taken advantage of or deceived.
Use case:
You can use the term chump to describe someone who falls for a scam or someone who is easily manipulated by others. For example, "Don't be a chump and fall for that get-rich-quick scheme" or "He's such a chump for believing everything his ex-girlfriend tells him."
• I can't believe you lent that chump money again, he never pays you back.
• Don't be a chump and fall for their tricks, they're just trying to scam you.
• Don't be a chump, wear sunscreen to avoid getting burnt.
• He's such a chump, he fell for the oldest trick in the book.
• That chump thought he could beat me in a race, but I left him in the dust.
• She's always talking about her ex, but that chump doesn't even deserve her attention.