Gay slang or term referring to a person who is really good at sucking another male off, in making them cum through oral stimulation of the penis.
Not to confuse with another popular term, 'Ice Queen'.
An 'Ice Queen' refers to a woman who is cold, who shows no emotion.
Certainly not qualities for one who is an 'Icing Queen'.
Assumed that 'icing' is in reference to semen.
'Queen' is in reference to a homosexual male.