1 definition by Mr "Sarcastic"

Top Definition
The more elite form of Sea-Gnome.
You feel a sharp stabbing pain while in the water. You look down and exclaim "Argh, a sea gnome!" Your- in all likelihood unstabbed- friend should then procede to point out "No man, see the oxygen tank? That's a Hydro-Gnome."
by Mr "Sarcastic" February 19, 2011
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