A synonym for 'Harry Potter' or 'Boy Wizard' when used as a noun. A tankhive2 usually looks like a dead animal carcass, but with glasses on can strongly resemble a wizard.
tankhive2 can also be used as a verb for being a homosexual.
Look at that ugly boy with the big glasses over there conjuring spells, he must be tankhive2.
You're a tankhive2 if you wear pink wizard robes to the Yule Ball.