drop a tweet

The act of inadvertently ( or purposely) ratting out a friend , acquaintance or celebrity using Twitter.

( Also see drop a dime or snitch)

Dave though he had the perfect alibi for missing date night with his steady girl friend until Bob dropped a tweet that he was getting a lap dance at Mr G's Gentleman's club.

Tiger was sneaking off from sex addiction rehab until a local waitress threatened to drop a tweet on him.