(US) A policy of the U.S. military from 1993 to 2011, which barred openly gay, lesbian, or bisexual people from serving in the military, while also barring discrimination against closeted gays, lesbians, and bisexuals.

a sarcastic reply given when a person does not know the correct answer.

(education, chiefly US) A holiday that is sometimes celebrated, usually by school students and teachers, observed on either September 28th or the last school day of September. The purpose of the holiday is to encourage students to ask more questions in the classroom.

(dated) To propose marriage

(idiomatic, US) To take hasty, immediate action with serious consequences, without first adequately investigating the situation. / (idiomatic, US) To act boldly.

an answer of acceptance to an eagerly-awaited question

It is better to act decisively and apologize for it later than to seek approval to act and risk delay, objections, etc.

Alternative form of ask me one on sport

An online document containing a list of the questions most often asked about a particular subject, together with answers.

If one asks a question that is stupid or to which the answer is obvious, one should not be surprised or displeased to receive a silly or bizarre response.