Ballrub

To say nice things about someone to woo them and win their favour or interest.

Originally used literally to denote a testicle massage solicited by a medical professional. Later usage: rubbing one's balls to a high sheen, often for vanity or aesthetic purposes.

Collocations: give one a ballrub, a fundamental bullrub

He tried ballrubbing her into posting ads and shoutouts on her Instagram page but she flipped him off.

I had to ballrub my dad to get him to let me use his Netflix.