1 definition by sigmapopsicle

A fusion term of “negative Nancy” and “Splenda packet”. Used to describe someone who is unable and/or unwilling to display cheer, or who is unwilling or otherwise not open to unearthing positivity in negative moments
Wow, I tried to see how she was and she just one-lined me. What a Nancy Splenda!
by sigmapopsicle March 28, 2020
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