Abbreviation of バイセクシュアル. Used as a noun or adjectival noun to describe a person who is bisexual. Common in casual conversation and LGBTQ+ contexts.
See also: バイセクシャル
He came out as bisexual.
My friend came out as bisexual.
Why don't you ask your bisexual friend for advice?
He hid the fact that he was bisexual for a long time.
bimonthly
bisexuality
Clipped from バイセクシュアル, from English 'bisexual'.