The phrase "a serious jam" is correct and usable in written English.
It can be used to describe a difficult or problematic situation, often one that is hard to resolve.
Example: "After missing the deadline, I found myself in a serious jam with my project."
Alternatives: "a tough spot" or "a difficult situation".
I know for a fact you still listen to "Sex & Candy" ,against your will or not, once a week, but this one, nah, you don't remember it... Well, let's just go ahead and get real, this whole eponymous record is a pretty serious jam.
Mr. Otto said he worried that counties would be hesitant to pay the fee, which would leave the commission in a serious budgetary jam.
This is the worst case scenario assuming a serious traffic jam.
Like the excessive loans to Latin America in the early 1980s and the real-estate-cum-savings-and-loan disaster of the early 1990s, Wall Street has gotten itself into another serious jam that may have deleterious consequences on the markets and the economy.
On top of Stratford, Ontario, being just a quick drive from where I grew up, I admired the wee boy's work ethic, enthusiasm and talent for penning serious jams.
Though at least Tino Asprilla was there, and he was really good on the drums - if all three of us had been there together, we could have done some serious jamming!
Next up is the Mother Mallard ensemble, where a trio of synth players led by pioneer David Borden jam a serious – and exceptionally kitsch – set of new-age journeys.
Cetto's red is terrific compensation (at less than half Musar's price) and a lesson in how to turn baked raspberry and blackcurrant jam into a serious wine.
As a result, traffic jams are a serious problem on the city's roads, and getting about by bus or taxi can take an age.
Republicans have been braying, ever since reconciliation began to be seen as a serious option, that "Democrats are jamming through legislation using a trick in order to change one-sixth of the American economy".
