verb

1. To put together, fabricate, or assemble, particularly if done hastily or temporarily. See also knock together.

   “I'll just knock up a quick demo for the sales presentation.”

2. To 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. To exhaust; wear out; tire out; to fatigue until unable to do more.

Synonyms: bring round, wake up, tire, weary, tire, wear down, wear out, get with child