The Collaborative International Dictionary of English v.0.48:
Foul-spoken \Foul"-spo`ken\, a. Using profane, scurrilous, slanderous, or obscene language; same as foul-mouthed. --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
foul-spoken adj 1: using foul or obscene language; "noisy foul-mouthed women all shouting at once" [syn: foul-mouthed, foul- spoken]