A period in which anabolic steroid users take specific combos of steroids for a certain time frame. the steroids compliment eachother and allow the effects of the steroids to show more.
In swimming, a cycle is 75 yards consisting of 25 yards of backstroke, breaststroke, and freestyle, in that order respectively. It is essentially a 100 IM without the fly.
When one takes a single shot of liquor (70-100 proof), then a double, then a triple, then a quadrouple (or "home run") in any order, in the same sitting.
Sexual technique used when the hooker/girlfriend/boyfriend is giving a blowjob. As you cum in their mouth, mke them laugh and it will come out their nose and flow back into their mouth, forming a full circle.
Jack and Jill loved to joke, and Jack could never resist catching Jill offguard with the cycle.