dropped the ball 

To screw up a major opportunity, that possibly comes along only once in a blue moon.

"One keg of beer, two blonde twins, a hotel room, and an endless supply of rubbers. Think he shagged them? Nope. He dropped the ball."

dropped the ball by D. Gould February 15, 2006

dropped the ball 

When Randy Moss fucked The Patriots over by letting the ball slip from his fingers with less than a minute left in the 2008 Superbowl.

Randy Moss sure dropped the ball, what an epic failure.

dropped the ball by PatrikM January 11, 2009

Dropped the ball on my ass 

To forget to do something important on-time, like an assignment

I totally had an assignment due last night and I didn't remember until now - I totally dropped the ball on my ass.

Dropped the ball on my ass by glennasaurus October 8, 2010

dropped the ball 

Someone fucking something up because they're incompentent or weren't paying attention, thusly fucking themselves and possibly others over.

Biff: Christy sure dropped the ball on this whole Christmas party thing, now I have to come in this Saturday to help decorate.
Joey: That blows dude, she should be fired.

dropped the ball by Gamblar December 10, 2008

dropped the ball 

When talking to someone and you cant think of anything else to say to keep the conversation going

I dropped the ball while talking to lisa the other day.

dropped the ball by peee ceee teee vee November 20, 2007