Green’s Dictionary of Slang

knocked adj.

1. drunk [as recorded, antedates logical link at knocked out adj. (4)].

[UK]Illus. Police News 13 Aug. 11/4: Witness: No: I was so knocked that I laid down on the pavement and went to sleep [...] The Coroner: What do you mean by ‘knocked’? Witness: You know, dead beat. Blind drunk.

2. under control, at one’s mercy, e.g. I’ve got it knocked[knock v. (1e)].

[US]J. Michener Bridges at Toko-Ri 26: When I looked up and saw that crazy hat I knew I had it knocked.
E. Hoagland Circle Home 15: A fighter had it knocked. Loaf around, take a few punches, work a couple of hours a day [HDAS].
[US]G. Sorrentino Steelwork 84: You guys had it knocked. The Good Army life. You bet.
J. MacDonough Platoon Leader 64: I got it knocked....I just carry the radio [HDAS].
Stew Slater ‘Ready to please Edmonton ears’ SEE Mag. 7 Aug. 🌐 It’s human nature to think ‘hey, I’ve got it knocked. I’ve got it knocked now. I’ve got it figured out! I’m home free’.
‘JayBird’ Bards of the Xenaverse 🌐 Now, sitting down and actually WRITING... that’s hard!!! Still, if I can get the first paragraph down... I’ve got it knocked!

3. see knocked out adj.

4. see knocked up adj. (5)

In phrases

have it knocked (v.)

to have a problem, and esp. life in general, absolutely under control.

[US]L.P. Boone ‘Gator Sl.’ AS XXXIV:2 156: To have one’s grade under control is to have it [...] knocked.
[US]H. Ellison Rockabilly (1963) 51: Kid, you’ve got it knocked! You are only the greatest!
[US](con. 1969) M. Herr Dispatches 92: The kid was [...] sitting relaxed on his duffel and smiling, saying, ‘Man, when I get home, I’ll have it knocked.’.
[US]R. Price Clockers 50: Champ had it knocked – no fuss, muss.