There is a common misconception that Hissing is in fact a noise that snakes make.
It is in fact the act of giving a Finnish person a hug and patting them on the head when they say something nice.
a sound mostly made by black people especially Nigerians which symbolizes anger, frustration or just general nonsense. It is considered rude if done to an older person.
*hiss* is a term used when angry or being creepy... or just to freak the shit outta someone... or make yourself look like a mental patient.Usually refers to a snake noise.
can also be used as -hiss- or *hisses*/-hisses-.