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general::
Phrase(s): *the last laugh (on someone)
Fig. laughter or ridicule at someone who has laughed at or ridiculed you. (*Typically: get ~; have ~; give someone ~.) • John laughed when I got a D on the final exam. I got the last laugh, though. He failed the course. • Mr. Smith said I was foolish when I bought an old building. I had the last laugh when I sold it a month later for twice what I paid for it.
McGrawhill's American Idioms And Phrasal Verbs