When you're bored and just hold your finger down on the letter h.
Person 1: What did you do today?
Person 2: I was bored, so I typed hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh into urban dictionary Person 1: good for you
When you are so bored and have nothing to do so you place your head on the keyboard. This is the result if you open Google Docs or Word or a search tab on Google.
Boy 1: I'm so bored...
Boy 2: Why don't you search Google for something funny.
Boy 1: Okay... (lays head on keyboard) Oh I just typed hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.
Boy 2: LOL
A string of repeated letters one uses when they have to idea what to look up on Google.
Can be substituted by aaaaaaaaaaa, bbbbbbbbbbb, ccccccccccc, ddddddddddd etc.
"Smith wanted to waste time on Google but didn't know what to search. So he just typed hhhhhhhhhhh and let the internet take him from there. Poor Smith."