"And he's coming in off the lip, and he does a kickback and he's in thaaaaaaaaaaaaaar!" (
blow by blow of a surfer riding a wave)
Surfer pronunciation of "in there", meaning "in the tube". Being
in thar is just about as good as it gets. it's the place to be.
In thar is commonly used as an exclamation of delight or approval.
Dude, your
new wheels are totally
in thar.
That party was way in thar.
Q: how are you feeling? A:
In thar.
