Top Definition
Pretty much means Dan Savage's "santorum," but with the "fuck" having possession.

Used as "What in Fuck's Santorum" or "Why in Fuck's Santorum?" Like, "What in Jesus' name?"
"What in fuck's santorum is a 'gender-reveal party' and why in fuck's santorum would anyone care?"
by Brash Lion April 24, 2012

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