seatard

A word used to describe someone who laughs so hard that he/she fails to make any sound, and starts wheezing.

O my god, my joke made Casey laugh like a seatard!

repetitive 'like' disorder

When someone uses like way too much in a conversation, usually to connect ideas and thoughts.

"Alright, so he was like so cute! I was like so happy that like I met him. He's like so kind and he like always like cheering me up when I was like down and stuff. So I was like asking him if he like wanted to like go out and he was like..."
"OMG, shut up! You got a serious case of repetitive 'like' disorder!"