w00t is 3rd Favorite Non-Dictionary Word
The "previous words" defines sprog as sprog (v): "to go faster than a jog but slower than a sprint". When clearly this word has a well established prior use:
Sprog: child, kid, nipper, tiddler, youngster, tike, tyke, shaver, small fry, nestling, fry.... How else could we then use the wonderful phrase "dropping sprogs"?
Furthermore, the absence of the red dwarf term smeg clearly shows which side of the atlantic the survey was compiled (or that its been sanitised....)