The facial expression (mainly male) displayed when on the vinegar strokes or taking a particularly stiff constipated dump. May additionally be accompanied with beads of cold sweat.
A wannaceo is someone who considers themselves a Chief Executive Officer or any other high-ranking position at their own start-up company, when the company does not truly exist formally, or when the only employee is themselves and or another individual.
There's nobody in his companybesides himself, yet he puts his title as CEO. He's such a wannaceo.