![The pencil's rubber.
The pencil's rubber.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
The pencil's RUBBER.
The Big Bang Theory Season 4, Episode 18
![Not the brush part.
Just the little rubber thing...
Not the brush part.
Just the little rubber thing...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Not the brush part.
Just the little RUBBER thing...
The Big Bang Theory Season 4, Episode 6
![And rubber gloves, air freshener...
And rubber gloves, air freshener...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And RUBBER gloves, air freshener...
The Big Bang Theory Season 8, Episode 19
![Like when it turns out
she's made of rubber,
Like when it turns out
she's made of rubber,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Like when it turns out
she's made of RUBBER,
The Big Bang Theory Season 7, Episode 20
![It can cut through steel
like it was rubber.
It can cut through steel
like it was rubber.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It can cut through steel
like it was RUBBER.
The Big Bang Theory Season 2, Episode 12