The character ~ is colloquially used in written form in some areas of the UK to denote sleazy
, or otherwise base behaviour.
~ can also cover flirtatious behaviour with the opposite sex: you are never ~ with the same sex.
An ability to ~ is generally viewed as being a positive personality trait, unless it is used on a friend's mother, grandmother, or domestic animal. Being ~ to a friend's sister is usually acceptable.
The vast majority of the world's virgins, comic book fanatics, computer scientists, and train spotters wish they had some ~.