wipeout: a spill in some sport (as a fall from a bicycle or while skiing or being capsized on a surfboard)
spill: a sudden drop from an upright position
aspirin: the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets