get in(to) heat

get in(to) heat

To begin experiencing a state of sexual excitement as a result of a readiness to breed, as of a female animal. Do you hear those stray cats howling and screeching at night? They must be getting in heat. I try to keep my poodle away from other dogs when she gets into heat.
See also: get, heat
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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