noodle about (something)

noodle about (something)

To discuss, speak, or think about something in an idle, aimless, or purely speculative manner. ("Noodle" here is slang for head or brain.) He spent most of the party noodling about all these pseudo-philosophical ideas that just made him sound pretentious. When I came into the room, they had started noodling about the pros and cons of capitalism compared to socialism.
See also: noodle