sputter (Verb) — Make an explosive sound. ex. "sputtering engines"
sputter (Verb) — Cause to undergo a process in which atoms are removed. ex. "The solar wind protons must sputter away the surface atoms of the dust"
sputter (Verb) — Climb awkwardly, as if by scrambling.
sputter (Verb) — Utter with a spitting sound, as if in a rage.
sputter (Verb) — Spit up in an explosive manner.
sputter (Noun) — The noise of something spattering or sputtering explosively. ex. "he heard a sputter of gunfire"
sputter (Noun) — An utterance (of words) with spitting sounds (as in rage).