Gittarackur is the name that Illumi Zoldyck from Hunter X Hunter used during the Hunter Exam Arc in order to hide his identity. He also used needles to disguise himself so he could observe Killua. (Killua is his brother)
Person 1: What was Illumi's name during the Hunter Exam Arc again?
Person 2: I think it was Guitar Cracker or something.
Person 2: Wait I'll search it up.
Person 2: It's Gittarackur
the act of bloating yourself in front of a group of people to impress them. This can also be done through mass text messages, or online communications like facebook messages/theads/comments. And random acts of stupidity that only the person finds funny.
jared just gittleshitted the random girls he saw standing in the line for the club by asking them to suck his dick in the "VIP" where he will buy a bottle of smirfnoff for 300 dollars with 3 100 dollar bills and a remark of "do you think these will cover it". naturally, the girls declined his invitation.