Definitions by XXXPUSSYLIPS

S.I.H.O 

S - sad
I - inside

H - happy

O - outside

Person 1: I'm always Smiling but I'm really hurting inside

Person 2: So your feeling very S.I.H.O

Person 1: Yeah! pretty much

S.I.H.O by XXXPUSSYLIPS September 29, 2018