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knock someone up
Inf. to make a woman pregnant. (See also knocked up.) They say it was Willie who knocked her up. He did not knock up Sue. I did.
knock somebody up(slang) also knock up somebody
to make a woman pregnant The rumor was that he'd knocked up two women in the town.
1. Make pregnant, as in The young girl said she was afraid of getting knocked up. [Slang; early 1800s]
2. Injure or damage, as in This coffee table got all knocked up in the moving van.
1. Vulgar Slang To make someone pregnant.
2. Chiefly British To wake up or summon someone, as by knocking at the door: The hotel clerk knocked me up at 7:00 in the morning.