1. Going all out, using all one's strength and resources, especially for a relaxing or frivolous pursuit. 2. May also refer to losing your shit at someone, telling them off, or even a physical altercation.
They went full pajamas on that dessert menu.
My mom was being mad aggy - so I just went full pajamas on her!
by Carezra November 2, 2013
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One Piece Zip-up or Botton-Down Pajamas, Footed and all....with No Butt-Flap!!!

Which clearly makes it a FULL ASS PAJAMA

Used in a sentence.......Its Way to hot for that "Full Ass Pajamas"
"Bitch Got On Some, "Full-Ass Pajamas"
by Ahampton September 25, 2013
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