Green’s Dictionary of Slang

mother adj.

also motherated
[abbr.]

synon. for motherfucking adj.

[US]‘F. Bonnamy’ Self Portrait of Murder (1951) 8: In the heavy shadow I myself cast, a creature crouched mother naked.
[US](con. 1943) A. Myrer Big War 168: Long, long war. Going to last a motherated ten years long ...
[US]H. Ellison Rockabilly (1963) 59: God, he’ll break through that mother door in a minute.
[US]S. Ace Stand On It (1979) 143: A really big-mother racing helmet. [Ibid.] 155: He puts them into this big-mother van.
[US]S. King Stand (1990) 771: He was mother-naked.
[US]F. Kellerman Stalker (2001) 121: He glanced up, his eyes panning the parking lot. ‘Big mother place’.
[NZ]A. Duff Jake’s Long Shadow 200: Waste him. Deal to him. Kick the muther(loved) effer’s head in.