It is the same as Dew
. But this word ("grig") can be used instead of heartbreak, heartache, pain, painful, wound, tears (like river), headache, solitude, lonesomeness, destroy, ruin, ruination; also ("Grig" a man who induces a deep depression to another one, insults, mocks at etc.
I've got a grig. My life is ruined :((((((((((