What's the funniest movie gag?

[AB Asks]

Carry On catchphrase "Infamy! Infamy! They've all got it in for me!" has been voted as the funniest movie gag ever in a poll carried out by Sky Movies Comedy. Other classics included:
"He's not the Messiah, he's a very naughty boy." Terry Jones as Brian's mother - Life Of Brian (1979).
And�.
"Do you have a license for your minkey?" Peter Sellers as Inspector Clouseau - The Return of the Pink Panther (1975).
What would you say is the funniest line in movie history?

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[Lonnie]

my all time favourite, again, from the Carry Ons, 'Carry On Screaming, was whan kenneth Williams falls int the vat of boiling mixture, with the cry of 'Frying Tonight'.

[naomi24]

I like the last line of "Some Like it Hot", when Jack Lemmon, dressed as a woman, and desperately trying to get out of his engagement to a rich old man, confesses that he's not a woman at all. "Well, nobody's perfect!"

[shineybomb]

He's not the messiah is my favourite

[malpal]

I liked "You were only supposed to blow the bleedin' doors off" spoken by Michael Caine in the ORIGINAL Italian Job.

[ImLostAgain]

From Dr Strangelove, Gentlemen you cant fight in here, this is the war room.

[bensmum]

"He's not the Messiah ... " is my all time favourite and the Dr Strangelove one is a close second but I love the one in The Pink Panther film (I think it was "Revenge of ..) where Peter Sellers, dressed as Toulouse Lautrec, opens the door, takes delivery of a bomb and when he's not able to give a tip says "I'm sorry, I'm a little short tonight". That is such a cliche but it always creases me up