Maybe he was too busy
writing clumsy PENIS metaphors
The Big Bang Theory Season 5, Episode 1
...and your PENIS would droop
like a willow tree.
The Big Bang Theory Season 3, Episode 15
But the boy did spend most of his waking
hours with a tight grasp on his PENIS.
The Big Bang Theory Season 2, Episode 15
Looks like someone drew a PENIS on him.
The Big Bang Theory Season 3, Episode 17
That was a beautifully written
PENIS metaphor.
The Big Bang Theory Season 5, Episode 1