n.
1.profane or obscene expression usually of surprise or anger
2.a commitment to tell the truth (especially in a court of law)
3.a solemn promise, usually invoking a divine witness, regarding your future acts or behavior
Idiom of the Day
the hair of the dog that bit you
a drink of alcohol taken when one is recovering from drinking too much
My friend started the day with the hair of the dog that bit him.