Of course we Britons kiss and have a word for it – cusen – but it’s usually used for affection where the mouth is pressed against the head or cheek, usually of a child, but sometimes other family members and occasionally close friends. This touching of mouths together is something new the Romans have introduced, but it’s not a widespread practice even among them – at least in public.
Source: First Kiss, by awarrington – The Eagle (2011) [Archive of Our Own]
I don’t usually go for first-person stories, but I really love Esca here, and his ruminations on kissing – and Marcus, of course, now that he’s free. 