Green’s Dictionary of Slang

ginj v.

[dial. ginj, to strangle, using a piece of wire; ult. fishing use ginj, to protect the line near the hook by twisting a piece of wire around it; thus, in turn, SE synon. gange]

(W.I.) to fill with lies.

[WI]cited in Cassidy & LePage Dict. Jam. Eng. (1980).