v. i.
They could neither of them speak their rage, and so fell a sputtering at one another, like two roasting apples. Congreve. [ 1913 Webster ]
Like the green wood . . . sputtering in the flame. Dryden. [ 1913 Webster ]
v. t. To spit out hastily by quick, successive efforts, with a spluttering sound; to utter hastily and confusedly, without control over the organs of speech. [ 1913 Webster ]
In the midst of caresses, and without the least pretended incitement, to sputter out the basest accusations. Swift. [ 1913 Webster ]
n. Moist matter thrown out in small detached particles; also, confused and hasty speech. [ 1913 Webster ]
n. One who sputters. [ 1913 Webster ]