In other words, I Can't Believe It's Not Butter and I Can't Believe It's Yogurt.
Ceramic device used to flood the nasal cavaity with warm saline solution in an effort to improve sinus health and look like a complete and total dork. See also Nerds.
Aside from it's dubious contribution to hair metal, pause for a moment to consider the name. While traditional hairnets are constructed from finely woven mesh and elastic, the artificial hairnets Aquanet generates are apparently made out of aqua. See also 80's.
"It doesn't make a difference what temperature a room is, it's always room temperature." - Steven Wright