Someone whose sexuality is whatever the trendy sexuality is.

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

1 - Teenagers who feel they are are oh-so-angst-filled and need something to make their lives more appealing to others.

2 - Someone who thinks they're original, different and individual.

In both cases, bisexuality is usually chosen.

A dumbass claiming to have a sexual preference in order to seem cool. Girls claiming to be bisexual in order to get guys attentions, and guys claiming to be bisexual to seem openminded and sensitive fall under this category.

Someone who is sexually attracted to someone who is inhibiting the current fashion trend.

You're in middle school and Bisexual because it's a trend, simple. You just want attention, face it, it was because of tik tok that led you to being Bi.