A euphemism for the physical act of love, to footle is equivalent to "fucking around." Such a delightful pastime ought not to be thought of as synonymous with "wasting time," then, but rather with "fiddling around." See: FIDDLE AROUND.

act foolishly, as by talking nonsense

to rap o' act honkyfoolishly; t'wuzte time.

to rabbit and pork or act foolishly; ter waste time.