reel off, to say, write, or produce quickly and easily: The old sailor reeled off one story after another.
Idiom
10.
off the reel,
a.
without pause; continuously.
b.
without delay or hesitation; immediately.
Also, right off the reel.
Origin: before 1050; (noun) Middle English rele,Old English hrēol; cognate with Old Norse hræll weaver's rod; (v.) Middle English relen, derivative of rele