a horsetail / horsehair, specifically from the tail / (anatomy) cauda equina

horsehair, specifically from the tail

(formal) Female third-person singular pronoun; she, her, girlfriend

(colloquial) a girlfriend (a female partner in a romantic relationship)

(literary) they (about women or girls)

to run; to move at a high speed / to appear briefly; to flash / to give over oneself to; to commit oneself to (usually something bad) / (music) Alternative spelling of ハシる

to shake; (of a hand or flag) to wave; (of a tail) to wag; (of a baseball bat) to swing; to move something back and forth in a circular motion

run

race; run

swing, wield, flourish, wave, shake