Lindsay Lohan -- Flash Floorward

Like Lindsay Lohan says, When in Brazil, flash your Brazilian.

LiLo got down and seemingly dirty on the floor of a nightclub hours after her arrival. As for why she did it, according to a roughly-translatedBrazilianwebsite, Lindsay refused to take photos with people at the club and instead hid under the table like a 4-year-oldpetulantchild.

When conscious ... Lindsay will be promoting a clothing line for a sweet fee -- we're told in the low 6 figures.

One thing's for sure ... Lindsay can drink both you and herself under the table.

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