(slang) An addict or habitual user of amphetamines, methamphetamines, or similar stimulating drugs. / (slang) A person who enjoys driving, riding motorcycles, etc. at high speeds.

plural of speedfreak

plural of speedboat

Third-person singular simple present indicative form of speedcube

simple past tense and past participle of speedcube

A participant in the game of speedcubing, or solving a Rubik's cube as quickly as possible

A puzzle identical in form and function to a Rubik's Cube but often having a different internal mechanism, and designed for optimal speed of use.

(rare) To engage in speedcubing, the sport of solving a Rubik's Cube at high speed

The activity of solving a Rubik's Cube as fast as possible

present participle of speedcube