ENGORGE (ITSELF) ON SOMEONE OR SOMETHING

engorge (itself) on someone or something: translation

engorge (itself) on someone or something & engorge (itself) with something

[for an animal] to drink its fill of blood. •

The vampire bat engorged itself on a number of creatures last night.

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Mosquitoes engorge on human victims.

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The mosquitoes engorged themselves with my blood all night long.