1 definition by [UK]TJ
Used to indicate the person is a pain in the bum or an arsehole, but in a cheeky way. Used commonly in the UK, usually about young children or animals.
"Little billy is a right little wotsit, I caught him stealing the teachers sweets" or "That cat is a little wotsit, I caught him shitting on the sofa again"
by [UK]TJ February 10, 2021