2 definitions by Karl Av-Ulvene

The act of pretending to be homosexual in order to deter the less desirable members of the opposite sex. The move also can inversely serve to infiltrate social circles in an attempt to court a member of the opposite sex, or to deter jealous/suspicious spouses.
The school placed me in Theater (The preferred electives were taken). I used the Rainbow Defense to pull more women in that class. And I was totally gonna end up at one of their sleepovers and 'get curious' until I got expelled from that school...
by Karl Av-Ulvene December 29, 2015
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An umbrella term for individuals (usually on tumblr) claiming identity with anything beside the standard gay, bi or transgendered sexual identities/orientations. Such extra labels are seemingly made up as a product of those considered to suffer from "Special Snowflake Syndrome" and are only used to garner attention.
Jimmy: Hey Marcus! How'd your date go with Linda last night?

Marcus: Utter shit. I tried complimenting her and told her she was the prettiest woman in the bar, she flips out and goes, "I'm not a woman, I'm a trigendered omnisexual who HAPPENS to be in a female body."

Jimmy: Fucking tumblrsexuals man...
by Karl Av-Ulvene June 29, 2014
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