To stab and behead someone. Derived from the Canadian news story about a passenger on a greyhound bus beheading someone with a knife.

greyhound.. What u call ur m8

Your wife is giving birth, and you're filming, being the good husband you are. As soon as the baby comes out, you immediately grab your child from the doctor's hands, enter said child, then enter your wife with the baby on your penis, making sweet love to her.

When you take the steel cage from a bottle of champagne and put it over the head of your cock and wilfully ram it into her pussy resembling a greyhounds muzzle

Similar to a Cougar or Bengal, a GREYHOUND is a woman aged 60-69 who seeks sex from younger men. While a Cougar is the same but aged 30-49. The breakdown of women chasing younger men is like this:

18-29 = THOT (or school teacher pedophile)
30-49 = Cougar
50-59 = Bengal
60-69 = Greyhound
70+ = oh dear gawd, let us not imagine it...

Older inmates who have acquired respect within the offender subculture due to their track record and criminal history, both inside and outside the prison

A word used to describe a transportation system typically used by people who need a quick and easy mean of transportation. It also refers to someone who flirts with many people at the same time. A big flirt, a person who keeps the girls and gals happy without them being aware that they are all being played. Someone who is not settling for just one piece of the pie, but wants the whole thing.