Wiktionary
nerdism
n. (context informal English) The practices or behaviours of nerds; nerdiness.
Usage examples of "nerdism".
He has reverted, in other words, back into a pure balls-to-the-wall nerdism rivaled only by his early game-coding days back in Seattle.
The sheer depth and involution of the current nerdism binge would be hard to convey to anyone.