When you lose a lot of money doing something dumb or doing something with virtually no knowledge of why you are doing it. Named after the soon to be ex-hedge fund manager Whitney Tilson and made famous by the blog Zerohedge
you see a guy winning at craps so you follow all his bets and then he craps out and you lose all your money -- "Man I just got Tilsoned on the craps table"

or in the world of finance when a hedge fund or investor loses a lot of money copying someone else's idea: man I just got Tilsoned again and lost the whole position.
by zerohedge worshipper January 9, 2013
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A beautiful, smart, amazing girl. She usually has a big booty but a good body. Her laugh is unusual but not crazy like a Maddys. She's gorgeous and a fabulous friend, if you find a Tilson never let her go even if she's weird sometimes
"Hey you know Tilson?"

"Yeah I love her."

"Doesn't everybody."
by Hotmotherfucker February 8, 2014
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is an amazing person is gorgeous;;and a person who is always there for you and Will ALWAYS MAKE YOU LAUGH no matter what
by brebooobooooboooo February 14, 2009
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Inability to remember what happens after the credits end, and why you MUST stay in your seat.
She's got a case of the Tilson Syndrome & she missed the most epic Easter Egg ever!
by DiscoBarBQ February 23, 2016
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