noodle
noo-dle
verb
To play or improvise music casually, often without a clear purpose.
"He likes to noodle on his guitar."
noun
An informal term for a person's head or brain.
"Use your noodle to figure it out."
noun
A long, thin strip of pasta or similar dough, often cooked.
"We had noodles with our stir-fry."