An item (i.e. coffee mug) that someone forgets in your private space (on my desk in my office)

The act of leaving/forgetting an item (i.e., coffee mug, pen , pad) in someone's private space.

An Australian term meaning to throw a tantrum, get upset, or over react to something.

Or in other terms "chuck a wobbly", "cracking the shits", "spat the dummy".

A phrase giving expression to objection, disgust or defiance in response to an act or statement.

The urgent need to release a big poop.

The state of mental illness which has symptoms including sending thirty text messages when there have been just three replies, repeatedly making false allegations, and using the subject's child as a bargaining chip against a person who has moved on after the subject initiated a break up.