Top Definition
"You Have Got To Be Fucking Kidding Me", indicating that the speaker cannot even begin get his mind to beleive any part the previous statement.
<User1> OMFG! That noob just posted his IP and root passwd to USEnet asking if someone could help him fix his sound card!
<User2> :o YHGTBFKM!
by grasshoppers January 20, 2003
1 Word related to yhgtbfkm

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