Wenkie (adjective) = a person who is foolish, silly, or acts in a dumb way.Used to describe someone who makes silly mistakes or shows a lack of understanding.
Stop acting like a Wenkie! → Don’t act so foolish!
He forgot his keys again? What a Wenkie. → He’s being really dumb.
Only a Wenkie would try that trick. → Only a foolish person would do that.