Green’s Dictionary of Slang

p.d.q. phr.

[abbr.]

1. pretty damn quick(ly).

B. Woolf Mighty Dollar in Clark Favorite Amer. Plays of 19C (1943) 489: That’s right, you’d better step P.D.Q., pretty damn quick.
[US]C.F. Lummis letter 30 Oct. in Byrkit Letters from the Southwest (1989) 54: I decided to fly back to the Denver & Rio Grande track p.d.q. in the morning.
Kipling Life’s Handicap 189: He went as his instructions advised p.d.q. which means ‘with speed’.
[US]W.C. Gore Student Sl. in Cohen (1997) 7: p.d.q. a., adv. Pretty — quick.
[US] ‘Just From Dawson’ in Lingenfelter et al. Songs of the Amer. West (1968) 127: He closed his weary eyelids and froze solid p.d.q.
[US]O. Johnson Varmint 290: ‘I say, Slops, what would they do if they caught us?’ ‘Bounce us.’ ‘For good?’ ‘Sure! P.D.Q.’.
[Scot]‘Ian Hay’ Carrying On 75: Somebody in this gallery is going to be blown up [...] and if you and I don’t get a move on, p.d.q., it will be us!
[US]M.C. Sharpe Chicago May (1929) 100: We beat it p.d.q.
[UK]D.L. Sayers Busman’s Honeymoon (1974) 201: Joe must be taken off the Noakes case p.d.q.
[US]Maltese Falcon [film script] In the Holland box at the post office there’s an envelope with my scrawl [...] Now get that bundle and bring it here P.D.Q.
[Aus]Cusack & James Come in Spinner (1960) 333: If it don’t make an appearance p.d.q., I’ll wreck the whole bloody joint.
[US]P. Crump Burn, Killer, Burn! 116: Get me the stuff – P.D.Q.!
[US]G. Swarthout Melodeon 109: I had to figure out PDQ how to get Will to play the melodeon.
[Aus]N. Keesing Lily on the Dustbin 129: It is suggested to dopes that they are not worth their salt [...] so ‘pull your socks up, PDQ’ (pretty damn quick) or ‘POQ’ (piss off quick).
[UK]Stage (London) 2 June 20/1: Something must be done PDQ.
[UK]D. O’Donnell Locked Ward (2013) 33: Dialling this told the hospital operator that the Locked Ward needed mucho reinforcements PDQ.
Bluesky 11 Oct. 🌐 You just don't see ‘PDQ’" used a lot anymore, do you? I guess ASAP has taken over some of that use. What else? If ‘PDQ’ were invented today it would probably be ‘QAF’ but that's not used at all.

2. fast, lively.

[US]S. Lewis Babbitt (1974) 140: Steer the feet, get the card board, and twist the pupils to the PDQest show ever.