The 'cucumber' disease often occurs after eating a meal containing cucumbers i.e tuna and cucumber sandwich
After which your penis may become aroused and turn green and small green/yellow leafs begin to sprout from the pubic area.
This disease is very common in teens, elderly women and vegetarians.
Waiter:'Heres your tuna and cucumber sandwich you ordered sir',
Victim: 'oooh, ... ahhh,... ouch whats up with my one eyed trouser trout??????'
Waiter:' I dont kno sir have u eaten any cucumber?'
Victim: yesssss cock face
Waiter:' Oh yeh that cucumberitus where your pork sword turns green and sprouts leaves'
Victim: 'Oh cool :S'