(colloquial, derogatory, chiefly Internet) To explain LGBT issues, people or behavior to someone who is not of a heterosexual orientation (i.e. an LGBT individual) in a condescending manner, presuming the listener's inferior understanding.

Third-person singular simple present indicative form of straightsplain

(informal, derogatory) Condescending explanation of something by a heterosexual to a non-heterosexual person.

simple past tense and past participle of straightsplain