toy boy
From Longman Dictionary of Contemporary Englishtoy boyˈtoy boy noun [countable] informalSY a young man who is having a sexual relationship with an older woman – used humorouslyExamples from the Corpustoy boy• I can't see him as a toy boy, as the phrase goes.• A lesson to be learnt, page 120 Would she stop at nothing to please her toy boy?• I guess, looking back on it, I was her toy boy.