1. press down; repress; prevent from freely developing
1. When he told her that he couldn't marry her because she was too bold, she could barely stifle her laughter.
2. Parents may stifle their children's budding talents if they do not encourage them.
sap, stifle, suppress
stifle is similar to Stifler (American pie series). Imagine a person who supresses and bosses around his fellow people.