Definitions

1. noun

A person, typically a man, who is considered to be excessively concerned with being liked or accepted by others, often to the point of being immature or insecure.

“He’s such a simp for buying his girlfriend a diamond necklace on the first date.”

2. verb

to act in a way that is overly eager to please or impress others, often to the point of being immature or insecure.

“He’s been simp-ing on social media all day, trying to get attention from his crush.”