I recently had a similar problem with my 1992 8v. There was a split in the big fat rubber pipe that goes from the air box to the throttle thingy (no clue of proper names, sorry). The split was underneath so couldn't see it at all at first.
The kangarooing was the only problem in this case, no other issues.
New pipes from VW are something rediculous like £80-odd so got a non-split one off ebay, cured the problem.
But yes, please type properly or you'll get lots of abuse and not many useful replies I'm afraid!