Where does “knobtwat” come from?

knobtwat (English) comes from English knob, from Middle English knobbe, from Middle Low German knobbe — lump, knot; knob; knot in wood.

knobtwat (English): A stupid or otherwise undesirable person

Definitions

  1. A stupid or otherwise undesirable person

Ancestry of “knobtwat”, step by step

knobtwat traces back through two separate lines of ancestry.

via English knob

StepLanguageWordMeaning
1EnglishknobA rounded protuberance, especially one arising...
2Middle Englishknobbeknob; lump, bump
3Middle Low Germanknobbelump, knot; knob; knot in wood

via English twat

StepLanguageWordMeaning
1EnglishtwatThe vagina or vulva; A contemptible and stupid...
Every word from Middle Low German knobbeEvery word from Middle English knobbeEvery word from English knob