(jocular, North America) This is my guess.
''I'll take things that never happened for $500, Alex.'' (Meaning you are guessing the event the speaker is referencing never actually happened.)
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.