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.
by The Local Lilac December 13, 2016
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!
by Taka hiro December 13, 2016