When one plays the guitar so beastly it is as if the player is speaking in another language. This usually occurs during major guitar solos or when serenading. This usually involves the use of guitar scales.
Refers to where you express your passionate love and/or desire for someone by employing lots of fancy mouth-work on their genitals; no verbal wordsnecessary.
In her famoussong, "When You Say Nothing At All", I wonder if Alison Krauss was actually referring to how her lover can "speak in tongues" --- i.e., orally pleasure her "special spots" --- and thus demonstate how much he adores her without actually having to say anything.