When someone claims to have changed old behavior, but is actively engaging in said behavior secretly. This term can be used in a variety of circumstances, but is particularly appropriate when referring to sexual relationships between clients within a rehab center.
Tim told me he wasn't flirting with Sarah anymore, but I caught them talking dirty over facetime - he's noodlebacking hard.
When one squints their eyes, thrusts out their upper row of teeth and over-exaggerates their facial features, Can be used in conjunction with the noodle voice to mock others. Created by a few students in high school.
I looked over to him only to be met with a face that could only be described as, a Noodleface.
Someone who is commonly found not using their noodle for an extensive amount of time whilst doing something that makes them appear to be somewhat noodlish. The progression of noodle.