A sex position in which a group of men are either penetrating each other in a line, or performing fellatio on each other in a circle.

A group of males in a line, coupled to each other like train cars through anal penetration.

A rather drunk and Horny Yorkshireman.

A line of men standing naked back to back, with each man's penis in the anus of the man in front of him.

Established in 2010, Global Mantrain is an annual event where men of the world connect in sexual intercourse with the ultimate goal of connecting the first person with the last person, leading to a man train that connects all the way around the world. To ensure the train stays connected boats are used to go across any body of water.