Their lips met.
Karera no kuchibiru wa fureatta.
they (usually male); them
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
to come into contact with; to touch (each other); to have a brush with