Even if we are caught out, our pleas of 'slip of the tongue' are nearly always honored.
I apologise for that slip of the tongue.
It is not because we fear corrupt actions or conspiracies, but because we fear a slip of the tongue or an unintended hint.
There was a trivial example in yesterday's proceedings of how a slip of the tongue can get us into difficulties.
That passage cannot have been chucked in as a throwaway line, unless it was a straight slip of the tongue.
I meant to say "knights", but a slip of the tongue often speaks the truth.
He made what was perhaps a slip of the tongue when he said that there had been increased emission.
I know that in his more quiescent moments he would not have made such a slip of the tongue.