When you put on a hat for a long period of time, and after taking it off, your hair takes the shape of the hat. Usually occurs when your hair is particularly greasy.
When a male has sexual intercourse with at least three different partners in a 24 hour period. The act must involve oral sex from the third partner without the male having showered after the prior partners. The act may also include ATM with prior partners.
Tim had a great weekend. He took down four broads and walked away with hat trick head as his final act.
When a guy's fat gut is so huge it resembles a hippopotamus head ... it therefore must be a hippopotamus that only has 2 legs and has purchased itself a lovely man's head for a hat (probably not such a lovely hat given the size of the gut)
Wtf? Is that a 2 legged hippo wearing a man's head as a hat?
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.