subs. (colloquial).—A simpleton: also SILLY-BILLY (or WILLY), see quot. 1851, SILLYTON and SILLIKIN. Hence TO KNOCK ONE SILLY = to hit out of time, or to affect au possible: e.g., ‘She KNOCKED HIM SILLY’ = ‘She sent him off his chump (wits, onion) about her.’

1

  c. 1620–50.  Percy Folio MS., 199. I … proffered him a favour; he kist me, and wisht me to beare with his behauior; but hie tro lolly lolly, le SILLY WILLY cold not doe, all content with him was spent.

2

  1725.  N. BAILEY, trans. The Colloquies of Erasmus, 586. SILLYTON, forbear railing, and hear what’s said to you.

3

  1851–61.  H. MAYHEW, London Labour and the London Poor, I. 144. SILLY BILLY is a kind of clown, or rather a clown’s butt; but not after the style of Pantaloon, for the part is comparatively juvenile. SILLY BILLY is supposed to be a schoolboy, although not dressed in a charity-boy’s attire. He is very popular with the audience at the fairs; indeed, they cannot do without him.

4

  c. 1876.  Music Hall Song, ‘The Blessed Orphan.’

        They think I am a SILLIKIN
But I am rather knowing.

5

  1869.  C. H. SPURGEON, John Ploughman’s Talk, 101. Poor SILLIES, they have wind on the brain.

6