cock cluster is similar in definition to sausage fest or cock fest, a synonym really. it means that a party or event consists predominantly of male participants thus making it a cluster of males or cocks in comparison to females at the event.
Guy 1: holy shit bro, this place is a fuckin cock cluster. i'm steppin over dick with every step.
Guy 2: yeah man, lets ditch this place and go to {another bar/club name here}, i heard there's more pussy there.
You already know what this is...it's when you're trying to take a massive dump and the turd bomb reaches the sphincter only to release tiny little bomblets. They usually are responsible for that machine gun poop that splashes your ass. It feels like you're pooping Raisnettes.
Mikey: Man, I must've flown over Hiroshima in my previous life.
Mo: Why would you say that?
Mikey: Cos I just killed the camode with my butt cluster bomblets!
What with the failure of the goods being delivered on time, no-one knowing where to go and no-one who knew what to do anyway, the whole thing was a cluster fuck
The metamorphic transition of a cluster fuck, going beyond your wildest expectations. An event you knew was going to be bad, but exceeded everything you envisioned this cluster fuck to be in epic proportions.
"After wrestling for an hour with Lurch's virus-laden computer for the fifth time this month, I quickly realized this was turning into a jumbo cluster fuck."