Mowing The Grassy Knoll Edit Meaning

1.

To interrogate and scrutinize one fact or situation beyond the point of sanity.

reference: to crackpot insane conspiracy theorists on the JFK assassination.

Dude #1: I have to prove that Jess really is the one stealing my toothbrushes when I sleep!!

Dude #2: Don't you think your mowing the grassy knoll on this one?

See question, sanity, putt from the rough, grassy knoll, conspiracy, toothbrush, assassin, suspicious, greek, booty call