look up any word, like hipster:
 
1.
British:
To wake you up tomorrow. It goes back to the days in before alarms where they used to come around and knock on your door to wake you up. Moden UK or british type hotel clerks will still use the saying.
I'll knock you up in morning, we'll suck a quick fag and be off.
by Pokerman11 January 31, 2008

Words related to knock you up

alarm cigarette pregenent sex wake