First he was Carlos Danger. Now - in yet another sexting scandal — he's a randy "mongoose." Sext fiend Anthony Weiner boasted of his animal prowess - claiming he was "deceptively strong . . . like a mongoose" - and gave his cellphone number to a college student during a flirty, private online chat on a recent trip to Los Angeles, The Post has learned. But the joke was on the horndog pol, whose wife, Huma Abedin, is a top aide and close confidante of Hillary Clinton. The target of his online affection was really a dude.