подъеда́ть

verbimperfective (partner подъе́сть)rare

1.
to eat up, to finish off, to polish off
Он всегда́ подъеда́ет оста́тки из холоди́льника.
He always finishes off the leftovers from the fridge.
colloquial; usually of leftovers
2.
to eat extra, to snack in between
Она́ постоя́нно подъеда́ет ме́жду обе́дом и у́жином.
She is constantly snacking between lunch and dinner.
colloquial
3.
(rare) to eat away at (from below), to gnaw at, to erode
Река́ ме́дленно подъеда́ет бе́рег.
The river is slowly eating away at the bank.
of water animals or insects damaging something from underneath

Examples

Дети быстро подъедают всё со стола.
The children quickly eat up everything on the table.
Мыши подъедают зерно в амбаре.
The mice are eating up the grain in the barn.
Собака подъедает крошки под столом.
The dog eats up the crumbs under the table.

Imperative
ты	подъеда́й
вы	подъеда́йте

Active present	подъеда́ющий	eating away, consuming, depleting, undermining
Active past	подъеда́вший	eating up, finishing eating, nibbling
Passive present	подъедаемый	being eaten away, being nibbled at, being gnawed at
Passive past	-
Gerund present	подъеда́я	while doing (present)
Gerund past	подъедав подъедавши	while doing (past)

Verb	Prefix	Meaning
изъеда́ть	из-	to eat away
объеда́ть	об-	to gnaw around; to eat out of house and home; to eat away
отъеда́ть	от-	to eat off; to eat away
подъеда́ть	под-	to eat up; to eat extra; to eat away at (from below)