To "Lindsay Lohan it" means to stick a finger down one's throat to induce vomiting. The phrase is most often used when speaking to a person who is drunk, feels sick and has the spins, and doesn't know what to do to feel better. This phrase came about due to Lindsay Lohan's extreme weight-loss and skinniness, often speculated to be the result of bulimia
, or a combination of the two disorders.
"Oh, god, I've got the spins
. I don't feel so good."
"Well, what did you expect? You're drunk
. You'll be better off if you just Lindsay Lohan it. It sucks now, but it will save you from a hangover