A contemptible person (plural swines).
A pig (the animal).
A police officer; a "pig".
Something difficult or awkward; a pain.
An ineffectual person.
Someone who shows off too much, a poser or poseur; someone who is overly self-satisfied.
A penis.
An annoying person.
An idiot, a stupid person.
A very informal address used between friends.
A person who wanks.