black rotten bog matter under blown sand at sea-edge. The slip (céibh) should have been built on rocks, but instead it was built on the bréanlóib, consequently had no proper foundation and did not last.
an-aibéil ar a cois a' déanamh obair, (nó) a' siúl
Sampla(í) Úsáide:
cailín breabhsach, cailín óg leitheadach, prancing and showing off (MMt); bean bhreabhsach, bean a mbíonn a cuid gruaige foscailte agus i n-aimhréidh (TmB).