1. a person adept in three different, but like fields of activity.
2. the myriad combination of balls, taint, and ass. Being so close to the perineal area to see or smell or taste balls, taint and ass.
My girlfriend stopped by to see my father in the hospital, and she walked into his room -- he was in a gown, kneeling up on the bed -- she got the triple threat. She said it was nice.