When a girl tells you her skinny jeans are denim but they stretch like spandex.

when you're hungover as shit after a spending a night drunk as a skunk

When one partakes in an act of intercourse without actually removing ones jeans. They simply stick they’re erect penis through they’re undone zipper.

When one with big eyes tries to steal another guys woman and fails miserably. This is known as Jeaning.