1.)When the game you're playing lags, this is what you say.
2.) Abbreviation for "fucking-lag"
"Damn my game lagged up! F-lag!"
When a male crosses his fingers and shoves them into a female's vagina for sexual pleasure.
"Jim crossed his fingers for good luck before shoving them into Jane's warm, sweet Vagina to cork screw her"
Someone that hates people who masterbate or purposely blocks them from doing so by stealing their porn or not allowing them to download, buy, or view any.
Mother: You shouldn't be reading Playboy!!!
Son: You masterhater!!!