spitball - definition and synonyms

verb
  1.   From our crowdsourced Open Dictionary
    1
    to throw out new ideas in the hope that some of them will be good ones

    I'm just spitballing here.

    Sometimes when we're spitballing ideas, we now stop and wonder what would happen if it came true.

    Submitted from United Kingdom on 29/01/2015
  2.   From our crowdsourced Open Dictionary
    2
    also a noun meaning a ball of paper soaked in spit

    The boys in the class throw spitballs at the girls, and the teacher tells them not to do it.

    Submitted from United Kingdom on 29/01/2015