lbci
Lbci or LBCI is an acronym that means "laughing but crying internally". This can be used in a number of different situations (especially when you are embarrassed or feel ashamed about something but find it humorous/funny at the same time).
Person 1: I think you look so nice but also so weird...
Person 2: Lbci... Thanks I guess?
Person 1: No problem lololol
Person 1: You made a fool of yourself last night...
Person 2:. LBCI!!!!!!!
Person 1: yikessss
Person 2: Lbci... Thanks I guess?
Person 1: No problem lololol
Person 1: You made a fool of yourself last night...
Person 2:. LBCI!!!!!!!
Person 1: yikessss