one time
adverb
- once
Wiktionary
adv
- Used to introduce a narrative concerning a past event
“Her eyes would suddenly become fixed on the other side of the room, and for a moment or two she would seem bewildered and absent. One time I was watching her in this state, when her husband took me by the arm and said, 'Come away, Tom.'”
“One time we cotch four hunderd and fifty thousand at one haul.”