The Rice University Neologisms Database

$$$

1. noun; other word formation type Symbol
   Money
    

   Usually the speaker is referring to an amount significant enough to affect a person’s decision to buy something or participate in an activity. This is similar to a texting abbreviation, and is very informal. The use of three dollar signs serves two purposes: to make sure it isn't a typo and there should be an amount written next to it, and to emphasize a large expense.

   Etymology : From the dollar sign $ which we use to symbolize the dollar (at least in the United States).
   Source : “…coordinate a ride to the airport, save lots of $$$, reduce emissions, make new friends” (Facebook post, 11-21-2017)
2. verb; other word formation type symbol
   Expensive, pricey.
    

   This is similar to a texting abbreviation, and is very informal. The use of three dollar signs serves two purposes: to make sure it isn't a typo and there should be an amount written next to it, and to emphasize a large expense.

   Etymology : From the dollar sign $ which we use to symbolize the dollar (at least in the United States).
   Source : “It is, however, quite $$$ and during finals, so we wanted to gauge interest before reserving the rink. Please let me know what you think!” (Facebook post, 11-30-2017(