1. vulgar slang Literally, to experience an orgasm in one's pants.

2. vulgar slang To be or become very sexually aroused. I creamed my jeans when he came onto the stage with his shirt off.

3. vulgar slang By extension, to be overcome by excitement or delight. Dude, I know you're hungry, but don't cream your jeans. It's just a candy bar. I'm creaming my jeans at the thought of going to Paris this summer.