A bicyle seat is slant and narrow, An orange rolls off and falls in the barrow, Hits a flea upon his head, "Ow!" cries he "I thought they said YOU wouldn't hurt a flea!"

OR

My Lady sits and peels an orange, Upon her bicyle seat while pedaling She's gone to work in the circus, From there who knows where she is heading?

And:

The up and down and pumping On a bicylce seat reminds me Of orange-eating fleas in winter And lovers in bed a'scratching!

One more 'cause it's so MUCH FUN! This one is based on growing up in Colorado where a lot of idiots used to come to hunt poor Bambies and usually wound up shooting either each other or a resident cow!

Steathily, grunting, liquored up They climb the hills together, Eyes bloodshot and their rifles cocked They're out to shoot a mother.

They have some oranges in their pockets, And orange garments all over their bodies, When they find a carcass of their own, On a bicyle seat in a wadi!

I can't help it! Make me stop! Aaarggghhhh.....!

Sexy Susie Sucks an Orange Rides on a bicylce seat to Sara's Says She to Her, "I never knew, There's Fleas in the Sahara!"

NOW, GO SING "SAHARA, NOW YOU'RE DRY LIKE ME!" (great old Prohibition tune!)