Definition of passing-out:
(adj) :
Going past.
(n) :
The fact of going past; a movement from one place to another or a change from one state to another.
(n) :
Death, dying; the end of something.
(n) :
(law) The act of approving a bill etc.
(n) :
(sports) The act of passing a ball etc. to another player.
(n) :
(sociology) The ability of a person to be regarded as a member of an identity group or category different from their own.