A person, largely unknown to the observer, who exhibits a specifically cunty aspect of behaviour, yet the extent of their actual cuntiness is unknown - the only indicator is the observed cuntish aspect of behaviour, thus they can only be very generally categorised.
"That bloke is wearing a trilby hat to work - he must be some sort of cunt"
"New guy drinks trim flat whites - he must be some sort of cunt"
Use of speaker phone to ambush/embarrass someone on the other end of the line, who is unaware that the speaker feature is in use.
So, Christie was just on the phone with her boyfriend and was singing in this hideous voice, only to realize he had her on speaker phone and his buddy heard it all.....That, my friend, is what I like to call "speaker pwned."