A frog.
A fish in the family Sciaenidae, known for the throbbing sounds it makes.
One who croaks.
A doctor.
An amphibian, a kind of frog (order Anura) with shorter hindlegs and a drier, wartier skin, many in family Bufonidae.
An ugly person.
A contemptible or unpleasant person.
To expel (a user) permanently from a MUD or similar system, so that their account is deleted.