Ah! The dum dum cup! I'd be very careful if I had the same coz I am ambidextrous and usually pick up a cup with my left... Might send a different message. Lol.
I had the "honor" of preparing a cup of instant disappointment for my now ex-boss because my colleague who used to prepare for him was on holiday. I never got the granules+sugar+milk proportions he liked so I am happy that from that day forward he never asked coffee from me again. For the next 3 weeks that my colleague was on holiday, he came to the office with a store-bought cup on his hand already.
A hazard of wielding great power.
Haha, I like your make bad coffee, never get asked to do it again, ploy. That's thinking for sure! Nice work indeed.
Lol yeah, da move really worked! :D