biatd
A stand-in for any term that you want to call somebody, usually written in a hurry. The intended word does not need to have any of the letters present in the word biatd in order for biatd to act as a substitute for that word.
Having missed his date by a matter of seconds, he left a hastily scribbled note in their office: "Sorry I missed you, biatd! Let’s do Frosé Friday soon."