You have a really good GRASP on this.
The Big Bang Theory Season 2, Episode 10
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
You know, for a non-physicist,
you have a remarkable GRASP...
The Big Bang Theory Season 3, Episode 11
a firm GRASP on sarcasm, but
even I know that was a doozy.
The Big Bang Theory Season 5, Episode 11
that their GRASP
on super-asymmetry
The Big Bang Theory Season 12, Episode 18