1. bicycle, pushbike, cycle (exercise, vehicles)

2. step over, pedalada (a dribbling move, or feint, in football (soccer), used to fool a defensive player into thinking the offensive player, in possession of the ball, is going to move in a direction he does not intend to move in) (soccer)

3. bicycle (climbing)

4. diarrhea (Peru, slang, colloquial)