Banjonkers is an adjective usually used in place of words describing severe pain or surprise Much like the word smurf it can mean mostly anything you'd like it to.
1.) That hard drive got so hot it burned the bajonkers out of my fingers when I picked it up.
2.) I turned the corner and ran into Pennywise. He scared the bajonkers out of me. Now I don't know where Georgie went.
A ditzy and rambunctious individual (like a Begal) who also tends to be inconsiderate and careless in nature (like a Donkey). Although they can cause inconvenience they are extremely well liked, unique and loveable (like a Unicorn).