Any rim larger than about 18's that make a non suv/truck passenger vehicle look similar to a matchbox car, and are worth more than the value of the vehicle they're mounted to

The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.