He treated her simply as a comrade with whom he had chummed for years.
And, if I recollect right, he chummed in with publicans and sinners.
In fact, I chummed with you even more than with your brothers.
I chummed with them—yes—on gold-fields and in other places where a man has got to show the stuff that's in him.
I saw him nearly every evening, and in fact, we chummed together.