[superfurrymonkey]

Abominaball snowman - A very shy winter boulderer sometimes spotted in the Peaks.

[andy_e]

Thunderball - A problem climbed in a tuxedo
no-balls - a problem for women

[Obi-Wan is lost...]

Johnny Ball - A fun but tricky problem to solve which involves thinking of the correct numerical sequences and trying not to be distracted by the younger more attractive eliminate.

[andy_e]

Ball-park - a boulder field

[Obi-Wan is lost...]

Aye-ball : "Arrr, a fright'ning 'n tall seacliff probl'm with the risk o' bein' drown'd, smashed ont' rocks or bein' made t' walk the plank. Gar."

[andy_e]

Insuraball - Check your policy first.
Constaball - An arresting problem.
Impermeaball - see impossiball

[andy_e]

Insatiaball-  a problem you can't get enough of.

[GCW]

If you can be bothered trawling through 1994 words I'm sure there's more to be had.

[erm, sam]

Jeez, way to take the fun out of it GCW.

[GCW]

Sorry man- I did my best with gully ball 
At least I didn't mention words with -ible..... 

[GCW]

Parry Ball    A parry ball is a brief, succinct story, in prose or verse, that illustrates a moral or religious lesson.  They involve a strong lad cranking out sick hard problems or winning high level competitions and contain a profound lesson on how to use you feet wisely. 
Amen.

[SA Chris]

Or a problem involving employing evasive or defensive manoeuvers.