overfrank

verb

1. To pay excessive franking credits.

   “Conversely, a company should only frank dividends to the extent available as it may be liable to franking deficit tax if it overfranks its dividends.”

2. To apply stamps with a higher value than the postage required to a letter.

   “Why would the UNPA overfrank a piece of mail?”

adj

1. Excessively frank or candid.

   “Sam Cassell is a little loud, a little overfrank sometimes.”