A person who has a skinny face and head--attractive even--but has a body like a
blubbery Tiger Tank. Like a real
iceberg, the majority of girth is often unseen (applies most relevantly to checking out people while driving).
She was looking to be a
hot one when she pulled into the parking lot at the grocery store until she got
out of the car and revealed she was an astonishing
iceberg. I started walking the other way.