Which line?
The blue car and the red car had a race!
( sporters I’m sincerely gratitude to you, Tue 5 Apr 2011, 11:11, 3 replies, latest was 15 years ago)

Are you kidding me?
You must be very young. Anyone help him out?
( b3th Not shit. Not mod., Tue 5 Apr 2011, 11:12, Reply)

I'm 36
I just wondered which line they had omitted
( sporters I’m sincerely gratitude to you, Tue 5 Apr 2011, 11:13, Reply)

That makes you the same age as me, essentially.
I'll give you a clue: 'He's looking for a chocolate bite, lovely and light....'

EDIT: or even 'fluffy and light'.
( b3th Not shit. Not mod., Tue 5 Apr 2011, 11:14, Reply)

Er
The red car and the blue car had a race
But all red wanted to do was stuff his face

Dum dee dum, falls off a canyon, ends up in some town tum tee too.
( Kroney, Tue 5 Apr 2011, 11:15, Reply)

I had noticed that as well
explained on this
en.wikipedia.org/wiki/Milky_Way_(chocolate_bar)
( Vipros. clever got me this far, then tricky got me in, Tue 5 Apr 2011, 11:15, Reply)

ha ha ha
I assumed it was because being just as hungry after you eat something as you were before is no longer seen as a good thing.
( b3th Not shit. Not mod., Tue 5 Apr 2011, 11:18, Reply)

All red wants to do is stuff his face!
(are we really going to do the whole thing?)
(Darth Foxtrot A one-man army dedicated to making fetch happen, Tue 5 Apr 2011, 11:13, Reply)

as you said to the trucker at that motorway service station that time....
morning nemesisisisisisisis
( b3th Not shit. Not mod., Tue 5 Apr 2011, 11:14, Reply)

7/10, a good start to the day
NakedApe leads the field thus far with the only 8, in case you're interested.

Good morning to you, mortal enemy :-)
(Darth Foxtrot A one-man army dedicated to making fetch happen, Tue 5 Apr 2011, 11:16, Reply)

It's the line
"The blue car shot his load upon a traffic warden's face"
( The Light in Chains don't touch the Pope's boner, Tue 5 Apr 2011, 11:16, Reply)