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1. d squared
adj. - stands for dracula dick (d^2), when for some reason you are pissing blood -
DeMontrell: Yo dogg, I'm D squared for real.

Friend: Damn that sucks.
2. D squared
Being square means you haven't gotten off with anybody yet, D squared means you have.
' Did he D square you yet?'
"Yeah, I'm now D squared! "