short for "I miss my man syndrome" when a girl or guy hasn't seen their partner or girlfriend in a while and begins to become sad or complains how much they miss them
P1 "hey you ok?"
P2 "yeah I just miss my baby"
P1 "oh come here, you're just suffering from immms" *hugs* " you will see them tommorow"
P2 "I know I just want them now" *sulks into friend shirt*
Immm means "I miss my man" typically used by someone who is attracted to males expressing they miss their male partner. Also a term used by many people on tiktok.
IN TEXTING
"heyyy, wyd?"
"nothing...immm"
"girll nbgaf"