Did you know that when someone writes ‘an SUP’ it means they say Ess Yew Pea? Uh huh. Indefinite article vibes. Surfers of the lie-down-arm-paddle variety say Ess Yew Pea all the time. And why is that a problem, you may ask? Well for starters I’ve noticed that sometimes it’s a teeny weeny clue that the person may have a bit of disdain…