A woman having multiple partners simultaneously allowing them to exchange positions or rotate in. Commonly in a counter clockwise motion. Each man has an opportunity to fuck the woman in each of her holes.The exchange can be as quick as a few pumps each or as long as a few minutes at each station. A mery-go-round can be accomplished with as few as 3 men to a gang bang.

That seemingly endless cycle of driving around your friends arrival gate in hopes of the slightest chance you will actually recognize him AND slide into a temporary parking spot so you can actually complete the Airport Pick-up Request...before getting stodged by coppers.

1: an overly promiscuous girl.
2: a girl that gives more rides than greyhound.

When you and another Modern Warfare player run around in a circle attempting to melee each other until one of you remembers you have a gun.

someone surrounded by a bunch of huge knockers

to question or not whether a bowl containing marijuana is being passed around; innocent inquiry

When you and your friends are in a smoking circle with the same amount of blunts or joints(idealy with different types of weed) equal to the amount of people there. After each hit they pass to the left, hence mary (weed) goes around in a full circle and nobody gets left out.