to proclaim one’s ignorance of a person or their face; used in various combs. other than the ones listed below; can be used with any n. or phr. that springs to mind, but notably the following.
In phrases
...a bag of assholes
T. AlibrandiKillshot 54: I quit my job, leave everything for a trip around the country with a guy I don’t know from a bag of assholes.
...a bar of soap(Aus.)
C. BowlesG’DAY 88: We don’t know the bloke from a bar a soap.
L. RedheadRubdown [ebook] ‘Think he knew who we were?’ ‘Wouldn’t know me from a bar of soap’.
L. RedheadThrill City [ebook] You were married to him for years and I don’t know the guy from a bar of soapo.
...a crow
C. CroweAus. Sl. Dict. 21: ‘I don’t know you from a crow,’‘I don’t want to know you’.
...a hole in the ground
R.D. PharrS.R.O. (1998) 351: ’I don’t know her from a hole in the ground’.
...a hole in the wall
C. StellaEddie’s World 137: They won’t know you from a fucking hole in the wall.
G.V. HigginsCogan’s Trade (1975) 167: I asked for one [i.e. a prostitute] that’s just getting started and doesn’t know anybody from a pisshole in the snow.
...four and sixpence
G.P. BurnhamMemoirs of the US Secret Service 131: Mr. Simon Rugg has so changed his dress, beard, hat, and general appearance, that Lame Sam don’t know him ‘from four and sixpence’.
...the next guy’s asshole
G.V. HigginsCogan’s Trade (1975) 68: Nobody knew him from the next guy’s asshole.
![[US]](/static/img/flags/us.png "United States")
![[Aus]](/static/img/flags/aus.png "Australia")