Building a fort refers to the act in which you tie up or other wise restrain your partner in a sexual manner.
Greg "Hey dude can I borrow some rope?"
Tom "Of course. But why do you need rope?"
Greg "Well Samatha and I are building a fort tonight."
Tom "Ohhhhh okay just don't get any stains on it."
by Mrblue520 February 08, 2010
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Person: Want to go build a cardboard fort? (winks)
Other Person: Hell yeah!

Person: What were you up to last night?
Other Person: Oh you know, just building a cardboard fort. (winks)
by Shuggy Doo September 03, 2012
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A term describing the current coronavirus related panic buying craze where one buys enough toilet paper and other things to build a fort.

A possible code phrase to let people know that a family member went shopping crazy.
Bro, Cody's mom went full crazy and started building the fort!

Damn, how much tp did she buy?
by PenguinSlideMaster March 16, 2020
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