1941 February 9, "The 'Hated Hun'—Then and Now", The New York Times,
In those days a Hollywood hero had to be 110 proof....

2002 February 1, "With a Sister Tour, 'O Brother' Family Expands", Boston Globe,
Then I was wondering who this Bob Dylan was who wrote this great song, and then I was going deeper and deeper to the stuff that's 110 proof.

Attention must be paid to Dr. Ron Paul, the 110-proof libertarian in the Republican race.

The crowd which jams the grandstands... constitutes the most informal assemblage in the world. This crowd is 110 proof democratic and unconventional. Judge, subway guard, doctor, banker,..., laborer—they can all sit in the same row....

110 proof

Meaning

Adj

Adv