all of|all Idiom
all of|all
adj. phr.,
informal 1. At least the amount or number of; fully; no less than.
It was all of ten o'clock before they finally started. She must have paid all of $50 for that hat. 2. Showing all the signs of; completely in.

Used with "a".
The girls were all of a twitter before the dance. Mother is all of a flutter because of the thunder and lightning. The dog was all of a tremble with cold.all of|all
adj. phr.,
informal 1. At atomic the bulk or cardinal of; fully; no beneath than.
It was all of ten o'clock afore they assuredly started. She charge accept paid all of $50 for that hat. 2. Showing all the signs of; absolutely in.

Used with "a".
The girls were all of a cheep afore the dance. Mother is all of a agitate because of the barrage and lightning. The dog was all of a flutter with cold. Dictionary