bosom friend literary
bosom buddy literary
bosom pal literary

And along comes Bugs's bosom buddy to save the day.

I don't exactly want to become bosom buddies with this thing.

Incidentally, since we don't happen to be bosom buddies, I'll have you watch your language.

This is a city based on commerce and its bosom buddy, selling.

But the two had not been exactly bosom buddies.

"None of you have done anything likely to make a bosom buddy out of me."

It wouldn't do for us to become bosom buddies like you and Giordino.

Just because I froze once doesn't mean I've become your bosom buddy.

Bosom Buddies ran for two seasons, and, although the ratings were never strong, television critics gave the program high marks.

He claims this Tony is the bosom buddy of a great friend of his.