fink out on (someone or something)(redirected from fink out on somebody)
fink out on (someone or something)
slang To abandon someone or something. I can't believe you finked out on us at the last minute! They really need your help—don't fink out on them.
fink out (on someone/something)
in. to decide not to cooperate with someone or something (after all). Come on, don’t fink out on us now.