When one believes that something has taken an affect but it is merely a placebo.
Max: I took sum drugs yo, it was cool!

Spencer: No, I gave you oregano, stop sugar pilling you faggot.
by Ronis McFinnigan February 5, 2012
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To “sugar pill” is to gaslight somebody. Used like red pill, pink pill, black pill, etc.

Taking the sugar pill means somebody believed something that was false.
Reference to a placebo
I sugarpilled him into thinking that Greedo shot first
He took the sugar pill on Herculad
by Not Too Keane December 13, 2021
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The day when a girl taking birth control pills switches from the active pill to the placebo sugar pill. This normally occurs on Sunday because of how the pills are labeled. This can serve as a helpful warning for people to be careful around the taker of the sugar pill.
Be careful it's sugar pill Sunday and you know how she can get.
by beckyinspired January 25, 2012
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