bluffed off the win

[Pavel Pin]

Molly describes about a poker game:

Harlan, the best player at the table, the best player at most tables, was about to get bluffed off the win by, of all people, Bad Brad.

what is the meaning of " bluffed off the win"?
does it mean "defeated"

Source: Molly's Game 2017

 

[heypresto]

Yes. I assume you know what bluffing is in this poker context?

 

[Pavel Pin]

Thank you sorry I am very new to poker context.

 

[heypresto]

No need to apologise. I was just asking if you knew what bluffing was. It seems to be an important part of this bit of narrative.