So this Vicar comes up to me and says: ASA

This is something I experienced first hand a couple of weeks back when I was at a training event - this chap buttonholed me and started telling me how amazing they were and how much they were valued by the Bishop. As they left someone nearby to me turned to me and said exactly what the image has.

As ever humour reflecting true life I guess:

Definition: 'Expert' (Exspurt) - 'ex' = has been,  'spurt' = drip under pressure