To poke around is to search casually through somebody's things. Poke around in the drawers.
It is idle rather than purposeful, which is what makes it a mild offence. People poke around in old houses and in other people's bookshelves without thinking of it as searching.
1phrasepoke aroundTo search casually through somebody's things.
“He would poke around the shed for an hour and find nothing.”
poke around is a phrase.
Also accepted in games: rummage through
Practised in A Song of Ice and Fire