NBA Hall of Famer Shaquille O'Neal goes by "Shaq" as a shortened nickname.
Let's say at the end of a letter I write you, closing words and signature is "Love, Kakariko Kid". His would be "Love, Shaq".
He is referring to the song "Love Shack", performed by the B-52's. Love Shack was rated by VH1 as both one of the worst songs ever and one of the best party songs in the US. Here is the song -
^ I'm still pissed about that gorilla getting shot. The woman who raised him when he was a baby actually lives in my neighborhood and was devastated. Before he got too big, she'd even sleep next to him some nights.