Green’s Dictionary of Slang

baloney bender n.

[SAmE baloney, a type of sausage]

1. (US) an Italian.

[US]J. Weidman I Can Get It For You Wholesale 59: To a baloney bender this is what’s known as making a virtue out of a necessity. [Ibid.] 300: Those dumb baloney benders down there.

2. (also bologna bender) one who exaggerates.

[US]Maines & Grant Wise-crack Dict. 5/2: Bologna bender – Thrower of so-called bull.
K. Manno Miracles of May 12: may: Why do you persist in telling that story? fran (Defiant): ’Cause I like it. may (Hands on hips, softening ’tsk’s’): Really, Fran – you baloney bender!