The act of copying a person.
Girl 1: Oh my gosh, did you see her outfit today?
Girl 2: Yeah, she's a total shamhat.
Talking while no one appears to be paying any attention.
Michelle: I got a 90% on my math test today.
Lina: Sorry, did you say something?
Michelle: No, I was just smubbling.
The pesky stems of grapes that make you have to put effort into eating grapes.
Mom: Do you want some grapes?
Child: Yes, but can you take them off the plucks first?