Verb. To find, and then tell the details of a pick-up strategy that someone posted on an online public forum to, its intended target.
Possibly originated on the "misc" bulletin board of the bodybuilding forum.
"Man bruh I totally made a thread about whether to pick up this chick who I saw at the gym watching me work my gluts and I all got a message from her talking about that thread! I got detectived! You detectives detectived me! Weak bruh."