stupid and foolish behavior, using wrong tools is dumb and makes life hard - soda bottle and wine opener piercing the top cap

badly banging behavior brutal close closeup cretin dumb elegant err erroneous erroneously error fail failed failure faulty fiasco force genius idiot imbecile incompetence incompetent incorrect incorrectly isolated miscalculation misjudgement mistake mistaken mistakenly modern moron object smartness snafu stupid stupidity thinking unsuccessful useless wrong wrongly