“If ‘shat’ is the past tense of ‘shit’, then ‘fat’ must be the past tense of ‘fit’”

Entry in progress—B.P.
     
Twitter
Monica Holton
@Moni2332
I still think the past tense of “Fit” should be “Fat” just like “Shit” and “Shat”...
12:40 PM - 24 Jul 2009
 
Reddit—Shower Thoughts
If shat is the past tense of shit, then fat must be the past tense of fit.
submitted April 6, 2018 by Bjerkin_off