snog
Snog is a term in British English for kissing, typically a prolonged and intimate kiss that may involve the tongue. As a verb, to snog someone means to kiss them in this manner; as a noun, a snog refers to the kiss itself. The word is informal and most commonly heard in the United Kingdom and Ireland; in the United States and many other regions, people are more likely to say kiss or make out.
Etymology and usage are not precisely documented, but snog appears in British slang from the mid-20th century
In cultural terms, snogging is frequently portrayed in British films, television, and music as part of youth