Ha, you ARE kidding me! Not? As I know nothing about Hebrew language!translation it means 'fibber' or 'liar'.
'CH: Have you told many fibs today?
I lie a lot - it's really useful - but everything I've said today has been the whole truth and nothing but the truth. So help me... er... Trevor...
Interview by Chris Heath, Star Hits (1987)
And who is Trevor Clever?
It reminds me of a line in a song by Ian Dury.
"Knock me down with a feather, clever Trevor".