What is Syfm?
Shut yer fuckin mouth. much similar to stfu
syfm n00b i pwn you
Short for "shut your fat mouth".
CrZyLdy77: omg! i just got tix to see fall out boy!1!
MUNKYchick12: no way! SYFM!!!
CrZyLdy77: no, rlly!!!!!!!!!1!
See shut, your, fat, mouth, slang, l33t