Oh man, yeah.
I never beat the game, so I can't imagine what I'm missing out on, but the part where Guybrush is in the mansion with the sheriff was hilarious
Going along with that, another Tim Shafer game, Psychonauts.
"Hello, fellow road crew worker. Welcome to the road crew."
"I am a grieving widow. I have flowers, because I am sad."
"With the growing popularity of mobile phones, in ten years my job will be obsolete"
... or basically anything that the agents say in the Milkman level.
Dogen was also awesome because he was so adorable while also being totally insane.
[surrounded by chittering squirrels]
"No... I could never do that! I would never... kill everybody!"
[camera moves away for a second, you hear an explosion, then it goes back and all the squirrels around Dogen have exploded]
"Oh... no... not again! Not again!"