The act of negotiating a meeting time by listing your available times for a meeting to others, and hoping one of those times hits an available time from the other parties to the meeting.

In business, the art of stealing someones time by creating a meeting that you didn't consent to thus unnecessarily jamming up your schedule.

A phenomenon, although slim, slightly increases the risk of dying on a birthday than any other day of the year.

A financial year starting on January 1 and ending on December 31. Called a calendar year for obvious reasons.

An utter disappointment

The act of moving a meeting invite around in hopes of getting a majority of invitees to accept it.

To be calendar-bonded is to be close enough to feel comfortable sharing personal calendars with one another. This typically occurs in romantic relationships, biological families, best-friendships, and other interpersonal relationships wherein planning and logistics are important. In terms of romantic relationships, polyamorous people have a strong tendency to be calendar-bonded earlier in the relationship than monogamous people simply due to logistics.

(This term was coined by Telind Bench of the bay area in California, in conjunction with one of his romantic partners.)