Not really funny, but there is hamlet in France called "La Mort aux Juifs" - Death to the Jews. Apparently the name is not in reference to what it would suggest, and it is moreso the evolution of Old French which is to blame.
Understandably there have been movements made to try and get the name changed...
http://en.wikipedia.org/wiki/La_Mort_aux_Juifs
(Mods, if inappropriate, feel free to remove.)
Six Mile Bottom in Suffolk makes me think of a huge posterior.
Little and Greater Snoring in Norfolk
Snodland I think in Essex or Suffolk
Shilbottle (as mentioned earlier) generally has the L on the nearby roadsigns crossed with black marker to make a t
An odd one I saw was Shilbottle.
These two always amused me when scanning the environs on the map, driving down the M1 or the M42: The one in the vicinity that always had my brother in hysterics was "Barton in the Beans", however.Sheepy Magna (and Sheepy Parva)
Here it is:Near Sandwich is Ham, there's a signpost with Ham & Sandwich!
And Bunny in Nottinghamshire always made me giggle
Does Besses o' th' Barn count?
And I was thinking of Hall 'I th' Wood?