(in video gaming), slang, noun -

To play in a lowly, unsportsmanlike way;
To avail tactics (in-game) which are tantamount to cheating;
To play with a boring, unimaginative style;
To play a video game in the most base, menial fashion

(from: 'scrub', to rub vigorously; to scour; a menial cleaning chore)

A word thats completely lost its meaning thanks to some people who only have a 3 word vocabulary which consists of nigger, skeet and scrub

Scrub (N.)-- someone who looks like a bum, a loser and beneath the average person.

“A guy that thinks he’s fly, also known as a buster. Always talking bout what he wants but just sits in his broke ass.”
- TLC
( lives at home with a his momma)

Someone who sucks at life.

I.E. No job, no Car, no Woman, Sonic, etc...

A derogatory term for males losers with no direction in life, used in the chorus of a 1990s Top 20 hit song.

Ritalin-junkie "gamers" who were probably born in the 90s use it in place of "noob" without realizing how it makes them sound like a valley girl. Because they're too young to remember valley girls.

No one with a life uses either term, except in jest.

A deadbeat loser guy who be riding wit his friend all da time cause he cant afford his own car. Hes broke, wears cheap clothing and is usually unnatractive. Also usually gets some sort of assistance like welfare or foodstamps. Hes sometimes overweight, unnatractive and is corny and cant get wit the ladies.