Выражение встречается в следующем контексте:

'Debbie's cooked a great dinner' - I say.
'I'm sick of her cooking'
' Well, she's trying to be nice'
Boy kicks the sofa. 'You going to talk me round? Do the shrink bit like my school nurse?You going to do that?'
'Me?Hardly. I wouldn't know a shrink if he came up and bit me'- I say.

Заранее спасибо