fot.see Derived from the acronym "F.O.T.C.", which stands for "Fan Of The Cock". Someone who is fotsy is believed to be or is legitimately gay.
Person 1: Pretty sure Chris is gay, eh?
Person 2: Yeah he's a huge douchebag.
Person 1: No man, I mean fotsy.
Person 2: Oh shit wow man, I always kinda got that vibe.
The phrase 'fotsae' stems from the two words 'thought' and 'so' as if to say 'I thought so', people say 'Ah fotsae'. Commonly used in the Linlithgow area of Scotland.