WAFFLING
Noun
waffling (plural wafflings)
A repetitive speech or response to a question.
Verb
waffling
present participle of waffle (To ramble on without a point; to argue a point without substantial evidence or a clear opinion.)
"Brad and Nicole were waffling in humanities class because they didn't know the answer."
Source: Wiktionary
WAFFLE
Waffle, n. Etym: [D. wafel. See Wafer.]
1. A thin cake baked and then rolled; a wafer.
2. A soft indented cake cooked in a waffle iron. Waffle iron, an iron
utensil or mold made in two parts shutting together, -- used for
cooking waffles over a fire.
Source: Webster’s Unabridged Dictionary 1913 Edition