When someone asks for a minute to do something, even though they know it will take much longer than 60 seconds.
Wife: I need to run into this store. It'll only take a minute
Husband mumbles: More like a football minute.
A period of time described as one minute that will actually become several times longer, especially if due to frequent interruptions. Antonym: New York minute
Dude, you said you'd be here in a New York minute. That was like fifteen minutes ago. More like a football minute.
A non-constant period of time ranging from 60 seconds to an hour
Man, she said she'd be ready in five minutes. More like five football minutes.
About an hour.
"Hey man, you want to go out for dinner in about a Football Five Minutes? "
"What?"
"Ya know like an hour?"
"Eh?"