Top definition
Adult slang for "I beg your pardon" usually used by the older generation on facebook, trying to fit in with us youths!
Me: "Go away mom"

Mother: "IBYP?"

Me: "You're not cool"
by fur123 August 22, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug