cheap boy

1. A man who is overly willing to engage in casual or transactional sexual encounters, often perceived as lacking standards or self-respect.

2. A man with low self-esteem who attempts to compensate by flaunting material possessions (e.g., money, cars) or boasting about his sexual conquests to gain validation.

"Mark keeps trying to impress people with his flashy car and shallow stories—classic cheap boy behavior."

"Is he your boyfriend?"
"No, he's just a cheap boy. I can't take him seriously."