known one's arse from one's elbow

Questions

What does known one's arse from one's elbow mean?

past participle of know one's arse from one's elbow

How to pronounce known one's arse from one's elbow

1. Open the pronunciation page — Open the Speakur entry for “known one's arse from one's elbow”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “known one's arse from one's elbow”.
4. Repeat and practice — Say “known one's arse from one's elbow” aloud, matching stress and vowels until it feels natural.