adv. & a.1.In a foaming state; as, the sea is all afoam.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
Well, this old great-grandfather, with the white head and hump, runs all afoam into the pod, and goes to snapping furiously at my fast-line.
Pour paint into asmall tray and use afoam gloss roller to f create asuper-smooth look.