What doea the punchline mean? Two Eskimos sitting in a kayak were chilly.?

Question

Two Eskimos sitting in a kayak were chilly.

They lit a fire in the craft, it sank, proving once and for all that you can't have your kayak and heat it.

can anyone explain this joke to me please?

Answer 1

You can't have your kayak and heat it, too.

You couldn't figure this joke out?  No wonder you left such a snide remark about my one night stand joke...ROFLMAO

Answer 2

it is a play on words that sound alike,

You cant have your Kayak-cake

and Heat-eat it too.  It is a bad joke!

Answer 3

you cant have your cake and eat it too :0)

Answer 4

like the expression have your cake and eat it too. have your kayak and heat it too its a pun