To have a snog is to passionately kiss someone.

Snog 是指热情地亲吻某人。

Particularly, the younger people will say, " Oh, did you see them? They were having a snog last night."

特别是，年轻人会说，“哦，你看到他们了吗？他们昨晚接吻了。”

You have a bit of a dance and then maybe you get a snog with someone.

你跳了一段舞， 然后也许你会和某人打个盹。