An insult implying that a person has recently had oral sex with an unclean partner. Smegma, being most generally considered as affecting men, when associated with smelling it on the breath also implies homosexuality when this insult is directed at a male.

The crusty build up of filth after a week of sex with no shower.

When a dude with a filthy cheesedick and a slut with a smegma riddled pussy have hot, sweaty sex.

When you front fart but a little cheese excretes its saltiness out.

A man who does not clean his smeg from under his foreskin therefore smuggles his smeg to various destinations.

An unwashed penis.

A small condom like device which is placed on the end of your bell to avoid smeg removal when you have a shower. This is done for a variety of reasons but mostly to pull the "smeg fridge" prank.