Salt Session

(salt-session) a conversation between two people filled with a solid unspoken undertone of jealousy, hatred, or envy; two or more people both holding negative vibes towards one another without others knowing, in an area surrounded by their peers; a bitter conversation between two people who have had a problem in the past

"there's going to be a salt session at the cookout this weekend when Uncle Johnny sees Tommy, because Uncle Johnny has always been jealous of him for no reason"