Définitions
1.VerbTo put together, fabricate, or assemble, particularly if done hastily or temporarily. .mw-parser-output .defdate{font-size:smaller}"I'll just knock up a quick demo for the sales presentation."
2.VerbTo awaken (someone) as by knocking at the door; rouse; call; summon; also, to go door-to-door on election day to persuade a candidate's supporters to go to the polling station and vote. See also knocker up.
3.VerbTo exhaust; wear out; tire out; to fatigue until unable to do more.
4.VerbTo become exhausted or worn out; to fail of strength; to become wearied, as with labor; to give out.
5.VerbTo impregnate, especially out of wedlock. See knocked up."I guess his summer plans are shot now that he knocked his girlfriend up."
6.VerbTo gently hit the ball back and forth before a tennis match, as practice or warm-up, and to gauge the state of the playing surface, lighting, etc. See knock-up.
7.VerbTo make even at the edges, or to shape into book form."to knock up printed sheets"
8.VerbTo straighten up a stack of paper.