thigh riding
When one person opens their legs, and sits on someones thigh, and proceeds to dry hump said thigh until climax or as a form of foreplay.
David Beckham's thighs are so huge! Perfect for thigh riding.
thigh riding
The action of grinding against someone's thigh for sexual pleasure. May be clothed or bare
Lily: damn, have you seen Jimin's thighs lately?
Bella: yes oh my god, they look so good for some thigh riding!
Bella: yes oh my god, they look so good for some thigh riding!