Tracking someone’s life and their career, academic, and intellectual pursuits in order to copy them or seize them

The phenomenon of having to come out as bisexual to the same person/people repeatedly because they assumed or hoped that your sexuality was a "phase." Refers less to the holiday and more to the 1993 Bill Murray comedy film in which the main character experiences the same day over and over.

Wearing your Fitbit around your ankle (like a ringed pigeon) and wiggling it while sitting at your desk, in order to increase your step count.

The act of gulling whilst standing on a monument/statue or from a window situated on the first floor or above.

The art of having a conversation with someone when you don't know anything about them, sometimes not even their name. Often (but not always) used when sharking (a.k.a picking up) women.

Pigeoning is the urban equivalent of the coutryman's segulling.
It is an act best enjoyed in a group.
It involves predominantly but not exclusively, males depositing their excited bodily excretions on a windscreen whilst watching an act of dogging. The ejaculate mimicking the appearance of avian faeces.

To carry messages back and forth between two groups or persons by way of a third party. An allusion to carrier pigeons who carry messages in a small note attached to one of their feet.

Also Pigeon, Pigeoned