What does the toast chin mean?

"Toast chin" is a slang term that refers to a chin that has a slightly burnt or tanned appearance, often due to sun exposure. It's usually associated with people who spend a lot of time outdoors, especially in the summer.

The term is playful and lighthearted, and it doesn't carry any negative connotations. It's simply a way to describe a distinctive feature that often occurs after spending time in the sun.