power level

Etymology
The figurative senses are a reference to the Japanese franchise , where many characters have "power levels" indicating how powerful they are.

Noun

 * 1)  An interest or specialized knowledge in a subject seen as uncool, especially related to video games and otaku culture.
 * 2)  Extreme political views, especially those on the far right.
 * 1)  Extreme political views, especially those on the far right.

Usage notes

 * In idiomatic use online, generally discussed in terms of "hiding" and "revealing" one's power level (to one's acquaintances, family, etc.).