new afferent or inleading processes might be set up tending, themselves, towards the mathematical point of interaction

Gay men refer to it almost always as cock-sucking, implying that the active partner is the one with the mouth; it is rarely referred to as mouthfucking.

She ledeth þe lawe as hire list · and louedayes maketh / And doth men lese þorw hire loue · þat lawe myȝte wynne.

He’d thought of going into Marks and Sparks, but now he thought he’d go across and into Woolworth’s.