spivvy

[spiv-ee] /ˈspɪv i/

adjective, spivvier, spivviest. Chiefly British

Also, spivving

[spiv-ing] /ˈspɪv ɪŋ/ (Show IPA).

Examples from the web for spivvy

But if the gap gets too big without a good explanation, it is a worry, suggesting spivvy managers.