Blocking

[Sarah]

The simple yet incredibly satisfactory act of walking round the block. It is the perfect thing to do when bored, and stimulates conversation, friendship and oddly also [spontaneous dragon-baby abduction].
The fundamental rule of blocking is: do not retrace your steps!
Blocking also highly condemns the wearing of yellow socks.

[Rihanna]

The action or fact of blocking or obstructing someone or something.

[Agnes]

The act of walking [around the block] without retracing your footsteps and always finishing where you started. You may only block where there is a [path] or a street so most people practice it in urban areas. Also, no [blocker] may ever wear yellow socks!

[Hina Muqadas]

[In theatre], it is the act of setting the exact motions of each character in [a scene] and/or act. This occurs during [rehearsal].

[Becky]

when one dude prevents another dude from gettin an [easy girl], or blocking a player while hes using a flow to get a hot girl, mostly for [one night] stands, but rarely for relationships. also known as [c0ck] blocking

[Vania]

Blocking in Lacrosse. When a player gets in the way of a defending player who is in possession of the ball without giving them the opportunity to move clear and avoid bodily contact.