My favorite example of this is using "aux cable" to refer to an audio cable with a 3 or 4 pin 3.5mm connector on the end (because car stereos would have a 3.5mm

My favorite example of this is using "aux cable" to refer to an audio cable with a 3 or 4 pin 3.5mm connector on the end (because car stereos would have a 3.5mm jack labeled "Aux" for "Auxiliary input") I usually call those "headphone cables" just to be contrary.