My sperm...
...can also survive long journeys down the River Severn, hitch hike across land and find the sweet haven of a fertile young lady without her even being aware.
(Tugnut Ex of this parish, Fri 15 Jan 2010, 14:17, 2 replies, latest was 16 years ago)

and I thought they had to swim upstream. Who knew?

( crackhouseceilidhband Fuck off back to Mumsnet, Fri 15 Jan 2010, 14:18, Reply)

They are like homing pigeons.
Also - since the moon moved back 4cm last year they are not effected by the tides.
(Tugnut Ex of this parish, Fri 15 Jan 2010, 14:21, Reply)

Actually
I think I saw one on an M4 slip road last week with its thumb out and a cardboard sign with "Stevenage" written on it.
( K2k6 has a proper job these days, Fri 15 Jan 2010, 14:18, Reply)

That was young Barry.
He's a good lad.
(Tugnut Ex of this parish, Fri 15 Jan 2010, 14:30, Reply)