Smooching and Snog

Smooching noun - Affectionate play (or foreplay without contact with the genital organs).

Snog and smooching are semantically related. In some cases you can use "Snog" instead a verb "Smooching".

Snog verb - Touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc..

Smooching and snog are semantically related. Sometimes you can replace term "Smooching" with "Snog", this verbs are similar.