Currently Being ModeratedJun 13, 2012 12:06 AM (in response to Svvim)
Throw it out a window or into a toilet
Currently Being ModeratedJun 13, 2012 12:25 AM (in response to Svvim)
Only password on lock screen and restrictions for certain apps could be helpful in that case.
But restoring will remove this protection and delete all data, so make sure that other people can not take your iPod away from you.
Other than that, no.