/blat/ , v. , blatted, blatting , n. Chiefly Northeastern U.S. and Great Lakes.
v.i.
1. bleat.
2. to make a loud or raucous noise.
v.t
3. to utter loudly and indiscreetly; blurt.
n.
4. bleat (def. 4).
[ 1840-50; perh. expressive var. of BLEAT; cf. BLATE 2 ]