A forced smile. The water cooler is stereotypically the place in the office where people gather to make small talk. Given the fact that most people hate their coworkers or just don’t want to be around them, you're left with the water cooler smile.
Oh my god Tracy, look at how bad my grad photos turned out!

"Oh man, that water cooler smile tho!"
by hecking log November 18, 2017
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