Cherry bump
n. (Slang). 1. A sudden forceful impact or jolt, or one of a series of such impacts, to a user of a playground swing because of looseness or lack of connection of the swing frame to the ground.
2. Sudden forceful impact with the ground by a user of a playground seesaw because of a weight imbalance.
3. Physical Instability at the pivot of a pendulum which becomes apparent with movement of the bob. (Plural: cherry bumps)
Origin is unknown. Term may refer in a vulgar, humorous manner to traumatic hymen tearing, but this is conjecture.
"Don't swing so hard, you're making cherry bumps."
A taser
Officer Hendricks, in addition to his 9mm Beretta, was issued handcuffs, a baton, and a thug zapper by his department.