|1.||missed the boat|
Someone who failed to take advantage of a good opportunity.
I could have hooked up with her but now she's with him. Man, I totally missed the boat on that one.
|2.||missed the boat|
When a person or entity that was doing things good and enjoyed a good record out of it, all of a sudden does something really bad.
Did you see that new digital camera model? Nikon missed the boat on this one!