To accidentally click on the wall post bar instead of the comment bar while facbookcrastinating and posting a private joke to both parties friends list!!!!!!
An idiom, generally used when referring to teachers, describes when a person looks extremely mad at someone else or yourself, and they (in their head) "click a pen", ready to write someone up, or explode on the offender later.
Did you see the wayMr. Rogers was looking at me? He totally just clicked a pen in his head.
When finance content creators rent out fancy cars and flexcash to seem richer than they really are in order to promote and sell their “get rich quick” courses.