The act off one person giving another oral sex while one or both of the parties is wearing thier Pajamas.
"Sarah was on her knees,

Sarah was on her knees,
BJ, BJ
Sarah was on her knees"

Person 1: "What are you up to tonight?"
Person 2: " I'd like a nice cup of tea and a BJ in your PJs"
Person 2: "Thats what you want!!"
by SazzaBabezz11111 April 5, 2011
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The term given to copping a blowy in your nightwear.
Last night your grandma put her head under my night gown and gave me BJ's in PJ's. Then I gave her a Werther's Original for her efforts. Thanks babes.
by GRANDMOTHERFUCKERZ January 20, 2012
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