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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for High-energy person:

ARIES: High-energy person, to astrologers
PISTOL: High-energy person
TYPEA: Sort with a high-energy personality
BALLOFFIRE: *High-energy person, metaphorically
FIREBALL: High-energy person