NOTE; The punchline must be delivered "on the inhale"

An archeologist , preparing for a long desert journey, stops by the local camel dealership and asks how much the camels cost. The dealer replies "Those (pointing) last for a week without water and cost 500 (whatever's), while those (pointing at another group) last two weeks without water and cost 1,000".
"What's the difference?" asks the archeologist.
"These (pointing at the first group) have not been BRICKED. replies the dealer.
"What do you mean by, 'BRICKED'"?, asks the archeologist.
"Come", says the dealer, "I will show you".
The dealer and his partner lead a camel over to a water hole. The partner pushes the camel's head underwater while the dealer , holding a brick on either side of the camel's gonads, smashes them together .
And the camel goes "SWOOOOOOOOOOOOOOOPPF.