The phrase "absolutely jam packed" is correct and usable in written English.
It can be used to describe something that is extremely full or crowded, often referring to events, schedules, or places.
Example: "The concert was absolutely jam packed with fans, making it difficult to move around."
Alternatives: "completely filled" or "totally crowded".
"No time can be made up on Saturday as it is absolutely jam packed, but you could continue on Sunday morning," he said.
The lineup for Barcelona's 2014 Primavera Sound Festival has been announced, and it is absolutely jam packed with big-name acts.
Though your schedule doesn't have to be absolutely jam packed for you to stay out of trouble, doing a few things that matter to you each week can help you focus on what's important.
It was absolutely jam-packed.
What did he set fire to?' The place was absolutely jam-packed full.
At least it was absolutely jam-packed with Seventies cliches - like sexual exploitation and shouting.
"We have some flights that are less full than others obviously, but we've had others that are absolutely jam-packed and not a spare seat to be had," he said.
Our store would be absolutely jam-packed, and we'd see thousands of people come through by the time the day's rushes were over.
Now, DJ Harvey's a master of the build-up, a tantric selector not afraid to take things veeeeeeeeeeery slowly, and his Ministry set was seven hours of out of this world cosmic chug that rolled and rolled and kept the absolutely jam-packed room enthralled all night long.
The other one was Tony De Vit, the last gig he played in Bristol before he died, he was playing 11pm-1am and I remember getting in there at 11.10, I'd never seen it like that on a Saturday night, it was absolutely jam-packed and it was going off like you've never seen a place go off in your life.
In situations when traffic becomes absolutely jam-packed, feel free to ride against the flow of traffic but taking extra care to watch for oncoming vehicles.
