Tengu are credited with both exceptional skill with a sword and a wicked sense of humor, and in numerous folktales they are portrayed as mischievous, curious, rowdy, and rather gullible. The tengu king Soujoubou is said to have trained the famous warrior Minamoto Yoshitsune, and many ukiyo-e prints show the young Yoshitsune sparring with Soujoubou's bird-billed subjects.
A verb used to describe someone getting attacked in a entertaining or awesome manner.
2. Man Jimmy, you really tengu'd him good when you bashed him in the face with a rock.