Nodding Donkey

Out tonight for a few beers to say cheerio to one former apprentice leaving work for pastures new.
This guy on the bus home must have started early and was trying to stay awake but was failing miserably.Head would s l o w l y t i l t b a c k 'till facing the roof then quicklyjerkfowardandbackup and then start all over again.
Been there,got the T-shirt.