noun Date: circa 1935 one that is formidable, contemptible, or offensive — usually used as a generalized term of abuse, person , fellow , motherfucking adjective, usually obscene
MOTHERFUCKER
Meaning of MOTHERFUCKER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012