OK, transposed and simplified for the kids:

(C)We don't want no holly (F)or mistletoe
(C)We don't want no Christmas tree with artificial (G)snow
(C)We don't want no Snowman (F)made of cotton wool
We're (C)not a (G)bunch of (C)fools

(C)Christmas on the beach, (F)Christmas on the beach
(C)Pack your picnic hamper up we're gonna have a (G)feast
(C)Underneath the huge Po(F)hutukawa tree
(C)Christmas (G)on the (C)beach

(C)We don't want no reindeer, (F)we don't want no sleigh
(C)We just want some sunshine and a good old holi(G)day
(C)We don't want to suffocate (F)in our shoes and socks
We (C)don't want to (G)sit around the (C)box

Happy strumming,
Robyn