When you combine the personal slang/sayings of several friends and use them all, creating your own "slanguage".
"Homeskillet, lamesauce, 'stab them in the kidney WITH A SPORK!', your face, I stole those from Anna, Da--"
"Becks, what are you on about?"
"Oh, I'm thinking of all the words I want to use for the Becks Slanguage Dictionary!"
"...You, you are a deepfried douchenozzle."
"HEY! I like that. I'm stealing it."