mothersmuther 

When your way to scared to say (motherfucker).

Motherfucker!
I mean mothersmuther

mothersmuther by Icecreams5667 June 21, 2016

mothersmurfer 

a word used as an insult, ussually against a male who is acting rude or causes particular disgust to the insult thrower.

origin of parts: smurf - n. a blue skinned fairy creature of small stature and without wings. v. to make someone or something blue and small

A man calls another man an jerk. The second man retorts to the first man, who is shorter and wearing blue, "Well, you're a stupid mothersmurfer!"

mothersmurfer by fluncenterin September 10, 2009

mothermotherfucker 

Useful in many parts of speech to describe a fury more intense and wide-reaching than any previously experienced—one that heretofore could not even be contemplated, much less described, not even if one is a walking thesaurus.

Every day under-Trump brings fresh horrors. He is such a mothermotherfucker.

mothermotherfucker by SAJESQNYC April 28, 2017