LHFS 

Learn How to Fucking Spell.

A phrase used by REAL Hackers/Crackers who are annoyed by Script Kiddies and other wanna-be "Hackers" that use so-called "Leet Speak" (L337 5P34K) -- especially if the "Leet Speak" is over-used, or used inncoorectly.

See also: LHFT

Wanna-Be Script Kiddie: I M 4 L337 H4X0R!
Wanna-Be Script Kiddie: W1T M4D 5X177Z!

Real Hacker: LHFS, moron!

LHFS by Pseudo Wisdom December 15, 2008