Wiktionary
Etymology 1 pron. Possessive case of somebody. Etymology 2
contraction 1 (contraction of somebody is English) 2 (contraction of somebody has English)
Usage examples of "somebody's".
It was more like the death of somebody's old uncle, whose name had been familiar in the household for many years, but who died, where he had always lived, in some far-off town the family never quite got around to visiting -- although they had always meant to, or at least that's what they said.
Neither of the dance palaces is within walking distance of the Hashbury, especially if you're stoned, and since only a few of the hippies have contacts in the psychedelic power structure, most of them spend their weekend nights either drifting around on Haight Street or loading up on acid -- LSD -- in somebody's pad.
Whose is it, what are you doing driving somebody's moving van down from.
There was no reason why VISAR would make lenses that existed only in somebody's head go cloudy, Hunt thought to himself.
After that they treated me with a gentle sort of detachment, as if I were somebody's little brother with an incurable disease -- Let the poor fool have his way.