My favourite has to be:
'Making love to him was like having a wardrobe fall on top of you, when someone has left the key in the lock.'
(
Jeru War and Piss,
Tue 17 Jun 2008, 15:08,
archived)
"baldrick your brain is like that of newt, shrunken to one eighth of its original size by a revolutionary new shrinking process.
then cut in half"
(
Tom OBedlam I have control of a tank,
Tue 17 Jun 2008, 15:12,
archived)
"This drive allowed ships to grow to the size of planets
and galaxies to shrink down to the size of peas which were shrunk down to the size of ants."
I was quite pleased by the pointlessness of the peas shrunk to the size of ants part.
(
Jeru War and Piss,
Tue 17 Jun 2008, 15:16,
archived)