Can you use the word Blarney as an interjection?

It's not common to use "Blarney" directly as an interjection. However, you could use phrases related to "Blarney" in an interjectional way, like:

* "Blarney, you're full of it!" (meaning someone is being insincere or exaggerating)

* "Oh, Blarney! You're so smooth-talking." (meaning someone is charming or persuasive)

* "Blarney me timbers!" (a playful and exaggerated way of expressing surprise or disbelief)

These phrases capture the essence of the word "Blarney" (meaning flattery, smooth talk, or charm), but they don't directly use the word as a stand-alone interjection.