Green’s Dictionary of Slang

walloping adj.

[wallop v.]

1. (also walluping) clumsy, awkward.

[UK]‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc. 190: ‘A walloping sort of fellow,’ one whose walk [...] is of the awkward kind, rolling, knock-kneed, unkid, and difficult. ‘A walluping bout,’ a fight without skill.

2. (also wholloping, wolloping) a general intensifier, usu. as to size; often ext. as walloping great.

[Scot]H. Clinker Hist. of the Haveral Wives (1799) 6: He has twa gilly gawkies o’ dochters wha [...] lug a wallopin white thing hinging like a snotter at a bubly wean’s nose.
Comical Dialogue Between Maggy and Janet 9: A wallopin white thing hinging like a snotter at a bubbly wean’s nose.
[UK] ‘The Bean-Tosser’ Black Joke 23: This mighty Turk, was a man of great parts [...] Could bore a great hole in the feminine hearts, / With his wolloping, dolloping dandy O.
[US]W.C. Hall ‘Mike Hooter’s Bar Story’ Spirit of the Times 26 Jan. (N.Y.) 581: I looked up and thar was one of the eternalist whollopin’ bars.
[UK]Hotten Sl. Dict.
[Scot]Dundee Courier 8 Feb. 3/4: Another Whale [...] The crew who dreaded that their boat would be upset, were exceedingly glad to get ckear of their walloping visitor.
[UK]G.F. Northall Warwickshire Word-Book 259: Walloping. Huge, bulky.
[UK]S.O. Addy Sheffield Gloss. 274: Walloping, large, great.
[UK]C.J.C. Hyne Filibusters 262: I came upon a walloping great stone, which I found that with a bit of a push would move.
[UK]R. Llewellyn None But the Lonely Heart 81: A walloping big picture of blokes on horses having a go at each other.
[UK]‘Charles Raven’ Und. Nights 167: Three walloping great groins and a stack of crinkle.
[US]H. Ellison Rockabilly (1963) 21: The testimonial dinner had been a walloping success.
[Scot]Desperate Dan Special No. 7 77: Your great walloping size 16 feet.

3. in fig. use, powerful.

[UK]‘The Bilk’ in Randy Songster in Spedding & Watt (eds) I 208: Now Bet some weeks before had been with a wollopping coalheaver, / Who, after he had done the trick, the injury he did give her.
[UK]G.F. Northall Warwickshire Word-Book 259: Walloping. [...] powerful.
[UK]Derby Dly Teleg. 16 Nov. 2/3: Silken! Hilarious! Romance with a walloping new kick.
[US]W. Winchell On Broadway 9 Apr. [synd. col.] Father Kernan’s walloping talks are now heard via WHN Thursdays.
[US]J. Adams From Gags to Riches 127: Dan Parker tagged him ‘The Walloping Wop.’.