The Collaborative International Dictionary
slip of the tongue \slip of the tongue\ n. an unintentional utterance; a mistake in speaking.
Syn: slip of the lip.
Wiktionary
n. (context idiomatic English) A mistake in speech.
WordNet
n. an accidental and usually trivial mistake in speaking
Wikipedia
Slip of the Tongue is the eighth studio album by the British hard rock band Whitesnake, released in 1989. The album peaked at number 10 on both the UK Album Chart and US Billboard 200. Four singles were released from the album: " Fool for Your Loving", " The Deeper the Love", " Now You're Gone" and "Judgement Day". All the singles hit the US Mainstream Rock Tracks top 40, and "The Deeper the Love" and "Fool For Your Loving" were top 5. Slip of the Tongue has sold over one million copies in the US, reaching platinum state.
"Fool for Your Loving" originally appeared on the album Ready an' Willing, but it was re-recorded for this album.