Besmidgen 

Occasionally used by people trying to effortlessly drop 'besmirch' into a sentence. But failing.

I feel he was trying to besmidgen my reputation, he is a real ass-hole.

Besmidgen by Smakmala August 22, 2019

Besmidge 

To talk ill of, or to taint thy name.

Adam calls James' mum a cantankerous whore. "How dare you besmidge her fine name" James replied.

Besmidge by KourtsJamesAdam August 13, 2013

Besmudge 

To tarnish, smear, defame.

Besmudge his good name. They told lies about his character and besmudged his good name.

Besmudge by Davogee October 6, 2013