1
- a piece of paper that has been chewed and shaped into a ball for use as a missile（用嘴嚼成的用作抛射物的）纸团。
2
- Baseball an illegal pitch made with a ball moistened with saliva or sweat to make it move erratically【棒球】唾沫球（指投手用唾沫或汗液弄湿球, 投出后球在空中作不规则运动, 属犯规动作）。
with obj.
- US informal throw out (a suggestion) for discussion〈美, 非正式〉不假思索地提（建议）：
I'm just spitballing a few ideas.
我只是随便提几个想法罢了。
派生词