Snow"ball` (?), n. 1. A round mass of snow pressed or roller together, or anything resembling such a mass.

2. (Bot.) The Guelder-rose.

Snow"ball`, v. t. [imp. & p. p. Snowballed (?); p. pr. & vb. n. Snowballing.] To pelt with snowballs; to throw snowballs at.

Snow"ball`, v. i. To throw snowballs.

Snow"ball` (?), n. 1. A round mass of snow pressed or roller together, or anything resembling such a mass.

2. (Bot.) The Guelder-rose.

Snow"ball`, v. t. [imp. & p. p. Snowballed (?); p. pr. & vb. n. Snowballing.] To pelt with snowballs; to throw snowballs at.

Snow"ball`, v. i. To throw snowballs.

• A ball of snow. Usually made in the hand and thrown in a game called a "snowball fight", but can refer to a larger sphere made by rolling a small ball around in snow that sticks to it and increases the diameter.
  
• A drink or cocktail made from lemonade and Advocaat.
  
• To rapidly become so large that is difficult to control.
  
• To have oral sex with a man and then kiss open mouthed, passing the semen back and forth.
  

• a brand of teacake made by Tunnocks