When a guy puts his penis in between a girls breast and orgasms on her chin; leaving a long white beard of cum resembling a billy goats beard.

A male Cougar... A man who is seven years old than the woman he is with and/or dating he is a Billy Goat(Male version of a Cougar)

A person overzealous about taking out trolls, to the point that nearly no one can discuss a subject with varying points of view because the least criticism, controversial statement, or personal opinion is viewed as trolling.

Having such rough intercourse that someone ends up in the Emergency Room.

when sniping stand in one spot

Extremely large attractive breasts.

When a person grows hair all over their body, including entire face, making them look like a billy goat.