He was our envy, for he could double back his big toe and let it fly and you could hear it snap thirty yards.
In that case he'd double back and come past Murder Point, trying to get out.
As for me, I have not advanced 108thus far merely to double back on my track.
The rest of you go on a little way, get off, and double back.
The bears are just as likely to double back here as to go on.
Then get to the top of the ridge beside it, double back, and wait for them.
Hence he ran to the eastward of it, intending as the darkness came, hiding his trail, to double back and regain the hut.
“Better put an iron brace on, if Sid is going to do double back somersaults in it,” went on Tom with simulated indignity.
He had no time to double back into the gorse, and here there was no covert but a few bushes, therefore he headed for the wood.
So, beat North Wood which way you will, them artful old cocks will run ahead of ye, or double back into them larches.
late 13c., "make double," from Old French dobler, from Latin duplare, from duplus (see double (adj.)). Meaning "to work as, in addition to one's regular job" is c.1920, circus slang, from performers who also played in the band. Related: Doubled; doubling. To double up bodily is from 1814.
A blow on the stomach "doubles up" the boxer, and occasions that gasping and crowing which sufficiently indicate the cause of the injury .... [Donald Walker, "Defensive Exercises," 1840]
mid-14c., "amount twice as great," also "duplicate copy," from double (adj.).