To violate the law of mathematics. An approach to solve a math problem in an incorrect step. An attempt to convert a number divided by 0 to a numerical value. To express an imaginary number as a real number.
Dude#1: So when you divide x^2 by 2 then...you get x?
Dude#2: How the fuck did you get x?
Dude#1: I divide the power of 2 by 2.
Dude#2: You are pulling some dodgy Math here kiddo. Quit being an R tard and go back to Pre-Algebra.