s, a unit of measurment useful in time travel
Multiply gigawatts by miles per hour, convert all units to the metric system, and divide by 1000, and you get kiloMcFlys.
A mark left on someone's flesh resulting from being slapped by a penis. The impact of thebulbous glans penis and narrower shaft leaves a mark with a shape much like that of the fruiting body of a mushroom.
Your mother wasn't very careful with her teeth when she was sucking my wang, so I pulled my dong out of her mouth and beat her on the face with it, leaving several mushroom-shaped welts that developed into bruises that were clearly visible when she picked you up from school later that day.
A unit of measurement consisting of the product of meters cubed and kilograms, divided by seconds raised to the fourth power.
The McFly is based on multiplying 88 Miles Per Hour by 1.21 gigawatts, as described in Back the the Future.
Driving at 88 miles per hour and receiving 1.21 gigawatts from a bolt of lightning gives you 47,600,000,000 McFlys, or 47,600,000 kiloMcFly
s, or 47,600 megaMcFly
s, or 47.6 gigaMcFly