Top Definition
When something really bad happens. Comes from suck and in this case it is sucking something big and fat. Used in the worst of situations when not much else can be said.
Doctor: I'm sorry, but you only have a few more months to live.
Man: Damn. That sucks a fat one.
Anonymousによって 2004年04月10日(土)
Used as an insult.

Equivalent to telling someone to fuck off.
Damn you're a douche bag. Go suck a fat one.
Truuuuuによって 2014年06月21日(土)
An insult telling the someone one to suck a d*ick
Person 1: Go suck a fat one!
Person 2: How fat?
Person 1: As fat as your mother
Person 2: Reported
MeikSemithによって 2016年01月28日(木)
Telling someone to seriously fuck off. Don't just go suck a dick, but suck a fat dick. Especially if it's a weak or lame thing that the guy did.
-- Hey man, I took some money off your dresser. Then a bunch of dudes at the bar talked me into buying rounds. I'll pay you back though, as soon as I get my next paycheck.

-- Dude, go suck a fat one!
Mondo 9000によって 2016年07月23日(土)
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