Snowball
WordNet
noun
(1) Snow pressed into a ball for throwing (playfully)
(2) Ball of crushed ice with fruit syrup
(3) Ball of ice cream covered with coconut and usually chocolate sauce
(4) Plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
verb
(5) Increase or accumulate at a rapidly accelerating rate
(6) Throw snowballs at