"hhh" is a text reference used when stressed or not knowing what to say in that situation
Person 1: "What would you do if he texts you
Person 2: "hhh I don't know"
The sound you make when you sigh.
Person 1: "I just got an A on my test again!" Person 2: "Hhh... That's great"
Gary: Omg
Joe: What’s wrong bro?
Gary: I am HHH
Joe: What is HHH?
Gary: Hungry Horny Hot