The phrase "absolutely fit" is correct and usable in written English.
It can be used to describe someone or something that is in excellent physical condition or perfectly suitable for a particular purpose.
Example: "After months of training, I feel absolutely fit to run the marathon this weekend."
Alternatives: "perfectly fit" or "in great shape".
He had one jacket, a light-green thing that didn't absolutely fit and couldn't hold a shape.
"I had produced some music in Paris which were essentially cut-ups of pop music, William Burroughs- style, which seemed to absolutely fit the images".
And then in Capitalist Realism, this idea of "depressive hedonia" absolutely fit with what I had been trying to sum up for my journalism students, but without having the political philosophy to put it in those terms.
A female acquaintance at Christ Church described the 19-year-old Heseltine as "probably about 22, but he appears to be years older... 6 feet high, absolutely fit... brilliant blue eyes... and the curved lips and highhead carriage of a young Greek God".
Frederick Forsyth "Broke the mould" is an overused expression but sometimes it is absolutely fitting.
He absolutely fits my repression theory, because he's shy and modest but funny and eloquent.
"There was no end, there no win or lose - but it absolutely fitted with a 'what if' scenario that we all have in our heads".
Thomas absolutely fits the bill," said Nick Kaye, who wrote a "Going To" column on that island (Oct . 23 , 2005 available, like the other articles cited here, at nytimes.com/travel.
She graduated summa cum laude in May, with two degrees, one in communications and one in hospitality administration, which everyone thought was absolutely fitting for a woman with her embracing character.
According to Kuehl, "Torie absolutely fits this district.
Viewing the operas in an historic open-air arena absolutely fits the bill!
