Pronun-key:(juhm-per)
noun A person holding a yoga ball in the game of ball ball.
see Baller.
person 2:I'm not bieng the jumper if we're playing ball ball again.
person 1:hehehehe.....Fine, you can be the baller this time.
pseron 2:Oh no! You're not gonna trick me again!
Jumper: a person inclined to make impulsive (though not necessarily bad) decisions. A person who decides quickly, then, without hesitation, is all in. Related to the concept of jumping from a ledge (which is a self-destructive version), a jumper is decisive, intuitive, and unwilling to live less than full on.
She's a jumper, you know. When she fell in love with him, she fell hard, no turning back.