speedcuber 

Someone who can consistently solve a rubik's cube very quickly and possibly enters rubik's cube speed competitions.

Dude's a speedcuber. He can solve a cube in under 20 seconds.

speedcuber by qpmarl December 29, 2006

Speedcuber 

Someone who is goated at the 3x3x3 and constantly get attention at school when they do it

"man he is such a cuber"
"nah he is a speedcuber"

Speedcuber by GoAtEdCuBeR November 19, 2019

Speedcuber 

A person who solves Rubik's cubes and other twisty puzzles fast.

Person 1: What do you do as a hobby?
Person 2: I am a speedcuber.

Speedcuber by boredomismymiddlename March 14, 2023

speedcubing 

Speedcubing is the hobby of solving the Rubik's cube incredibly fast (eg. 30 seconds or faster). A person who practises speedcubing may be known as a speedcuber.

Even after the official competition had finished, the competitors couldn't stop speedcubing.

speedcubing by Jasmine Lee August 22, 2004

speedcubist 

A person that can solve the Rubik's Cube rediculously fast and deeply understands the profound methodologies involved.

We speedcubist are an elite group of puzzlist.

speedcubist by Doug Lee December 9, 2003

Speed Cuber 

A person who can consistently solve a 3x3x3 cube puzzle whose main focus is on improving their average speed solve times.

I am a Speed Cuber , I go for Speed Cubing competitions in my area as soon as I see them.

Speed Cuber by randomdefiner_196 September 7, 2018

speedcube

A speedcube is a Rubik's cube that has been specially prepared for speedcubing. Preparation often includes adjusting the screws and lubing the inner mechanism with a silicone-based spray.

The speedcuber was terribly upset when his favourite speedcube was stolen.

speedcube by Jasmine Lee August 22, 2004