Definition Of tumbling
(typically of a person) fall suddenly, clumsily, or headlong.
Speaking to the doctor, she found out that Andrea had been hit on the head, tumbled down the stairs and had been caught in a fire.
clean (castings, gemstones, etc.) in a tumbling barrel.
have sex with.
he was tumbling a strange woman
have sexual intercourse with (someone).
perform acrobatic or gymnastic exercises, typically handsprings and somersaults in the air.
They threw themselves through the air, others tumbled , cartwheeled and bounced.