Green’s Dictionary of Slang

double-clutching adj.

(US) a euph. for motherfucking adj.

1961		X. Herbert Soldiers’ Women (1978) 259: ‘You dirty double-clockin’ louse! You put me in with Birdie! You said I was a jail-bird!’.
1967		Wentworth & Flexner DAS (Supplement).
2006		at MySpace.com 17 June 🌐 You double-clutching weasel.