snog UK /snɒɡ/US /snɑɡ/noun 1verb 1forms 3 noun1 •(UK, informal) A passionate kiss.And that was that. Where had I gone wrong? First night: park, fag, snog. Second night: ditto. — 1995 verb1 •(UK, informal) To kiss passionately.This is about stepping up and representing, not snuggling up and snogging. This is serious business. — 2016 formssnogged · snogging · snogs