A smooth brained robbie is an individual who is unaware of modern slang. They can try but they still won't grasp the current slang, truly they will never be hip with the teens. If you encounter a "smooth brained Robbie" do not hesitate to laugh at their incompetence, because it is funny.
Jeff: "that was awesome, no cap"
Robbie: "why aren't you wearing a hat? Its cold outside."
Jeff: "oh you poor smooth brained robbie".
Robbie: "why aren't you wearing a hat? Its cold outside."
Jeff: "oh you poor smooth brained robbie".
by Soggyfroggy February 22, 2022

When you reply with something smart to a idiot streamer. Famously used by a British world of tanks player that cannot get good dpg's in overpowered tanks.
by PotatoCrusher May 21, 2023

by BluePandaGiraffe August 13, 2022

To become one with the smoothness
bartholomew: *becomes smoothness god*
jack: holy fucking shit
bartholomew: *gives jack smoothie* enjoy the smoothness my friend
jack: holy fucking shit
bartholomew: *gives jack smoothie* enjoy the smoothness my friend
by fucking dio August 3, 2023

by Magmalavamonstercoolkid August 14, 2019

One of the three types of muscle. Widespread throughout the body, responsible for movement in the digestive, urinary and reproductive systems.
by craigellachie March 1, 2022

by CousinVector January 14, 2021
