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engorge itself on (someone or something)

Of an insect or animal, to drink and fill itself with blood. Unfortunately, it looks like the tick had already engorged itself on your blood before we found it.
See also: engorge, itself, on

engorge (itself) on someone or something

 and 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. Mosquitoes engorge on human victims. The mosquitoes engorged themselves with my blood all night long.
See also: engorge, on
References in periodicals archive ?
Forty percent of our mice with intact tails survived after allowing an infected mosquito to engorge. NIH Swiss mice are highly susceptible to VEEV; death rates are typically 100%.
During the shaking display, the wattles engorge with blood and triple in length.
O my head's too wide to fit between those jowls, say I, for all their touted skill to stretch balloonlike & engorge their prey ...
Six months after they were initially infected, when vector ticks no longer acquired spirochetes from them, eight infected nymphs were permitted to engorge on each bird.
26), it is difficult not to hear overtones of the ravenous monster of Ugaritic (pre-Israelite) mythology, Mot, whose broad throat engorges even the mightiest of gods and heroes--particularly in view of Paul's use of two OT quotations that probably do personify Death in v.
While one turbinate engorges with blood and chokes down airflow, the other shrivels to permit big sniffs.