(electricity) Initialism of alternating current.

(electricity) Initialism of alternating current.

(medicine) Initialism of ante cibum (“before meals”).

In a difficult situation; in a predicament.

plural of ABC book

(slang, dated) In a very short time; in a jiffy.

A selective service class denoting that the registrant is only available for noncombat military service due to their conscientious objector status

A selective service class denoting that the registrant is available for service in the military

simple past tense of give a flying fuck

Third-person singular simple present indicative form of give a flying fuck