POP (3)

Pop, v. t. 1. 1. To thrust or push suddenly; to offer suddenly; to bring suddenly and unexpectedly to notice; as, to pop one's head in at the door.
He popped a paper into his hand. Milton. 2. 2. To cause to pop; to cause to burst open by heat, as grains of Indian corn; as, to pop corn or chestnuts.
To pop off, to thrust away, or put off promptly; as, to pop one off with a denial. Locke. — To pop the question, to make an offer of marriage to a lady. Dickens.