Green’s Dictionary of Slang

1. (US) a wife.

1867

G.W. Harris Sut Lovingood’s Yarns 182: Peg (she’s his ole quilt, yu know) is a regular steel-trap ove an ’oman.

2. (Irish) a petulant, pedantic, pernickety man.

1997

Share Slanguage.

3. a timid, effeminate man.

1998

K. Sampson Awaydays 29: I argue that those teams have got so many quilts that you’d never get to their boys.

4. (Irish) a fool, someone who acts against their own interests.

1997		Share Slanguage.
2013		K. Sampson Killing Pool 65: ‘Fuck’s sake, Mikey—’ ‘Names, you quilt!’.