To be schmucked means to be in a bad situation or to be tricked or cheated.
Being schmucked is not good. It can make people feel upset or foolish.
Examples:
I got schmucked in that deal.
He felt schmucked when he realized what happened.
She always gets schmucked in card games.
I can't believe I got schmucked again!
He got really schmucked when he found out the truth.
I don't want to get schmucked like that.