meddle. mingle, mix thyself up. Not the same word as in Proverbs 20:3.
lips. Put by Figure of speech Metonymy (of Cause) for the flattery spoken by them.
Related Commentaries of Proverbs 20:19
Proverbs 20:19
19 He that goeth about as a talebearer revealeth secrets: therefore meddle not with him that flatterethe with his lips.