to, at, in or into the home, office, etc. of / by extension, to, at or in the country of / in; among (a group of things or people of the same type) / in the work of (an author or artist)

home, nest

at home (at one's abode) / at home (comfortable)

(intransitive, informal, simile, sometimes derogatory) to make oneself at home

(informal) lousy, shit, shitty, crappy (completely worthless)

an Englishman's home is his castle, a man's home is his castle

Alternative form of charbonnier est maître chez soi

(simile, impersonal) to be dark to the point where one can't see; to be pitch-dark

(informal) to get lost, go to hell