Where does “тупануть” come from?

тупануть (Russian) comes from Russian тупи́ть, from Proto-Slavic topìti — to heat; to drown.

тупануть (Russian): to make a stupid mistake, to screw up, to mess up, to have a brain fart

Definitions

  1. to make a stupid mistake, to screw up, to mess up, to have a brain fart

Ancestry of “тупануть”, step by step

StepLanguageWordMeaning
1Russianтупи́тьto dull, to blunt
2Proto-Slavictopìtito heat; to drown
Every word from Proto-Slavic topìti →Every word from Russian тупи́ть →