What does birdwirp mean?

birdwirp meaning in Urban Dictionary

A small fold in an item of material that whenever rubbed between little finger and flash maintains its shape and often moves over the product. Often entirely on denim jeans whenever in a sitting position.'Birdwirping' is the act of 'Snuggling' the Birdwirp. Can be tremendously irritating when it comes to wearer. Typically enjoyable when it comes to 'Birdwirper'