She seemed about to throw back her hands as though a convulsion was imminent.
He was so near that she had to throw back her head before she could see his face.
Jakes reply to this was to snatch off his straw hat, throw back his head and roar with laughter.
When you throw back your head and open your mouth so wide, I can see you have no wisdom-teeth.
I had only to throw back the cover and my curiosity would be satisfied.
Hold up your face, and look straight at me; throw back your hair, sir.'
So far as they had influence at all, it must have been to throw back the science.
In order to throw back upon them a greater share of our burden.
The Chickadee quit his bug hunt for a moment to throw back his head and shout: "Me, too!"
I feel too indignant to throw back the reproaches which you have cast on me.
"to project, propel," c.1300, from Old English þrawan "to twist, turn writhe" (past tense þreow, past participle þrawen), from Proto-Germanic *thræ- (cf. Old Saxon thraian, Middle Dutch dræyen, Dutch draaien, Old High German draen, German drehen "to turn, twist;" not found in Scandinavian or Gothic), from PIE *tere- "to rub, turn, rub by turning, bore" (cf. Sanskrit turah "wounded, hurt," Greek teirein "to rub, rub away," Latin terere "to rub, thresh, grind, wear away," Old Church Slavonic tiro "to rub," Lithuanian trinu "to rub," Old Irish tarathar "borer," Welsh taraw "to strike").
Not the usual Old English word for "to throw" (weorpan, related to warp (v.) was common in this sense). The sense evolution may be via the notion of whirling a missile before throwing it. The sense of "put by force" (e.g. throw in jail) is first recorded 1560; that of "to confuse, flabbergast" is from 1844; that of "lose deliberately" is from 1868.
To throw the book at (someone) is 1932, from notion of judge sentencing a criminal from a law book full of possible punishments. To throw (one's) hat in the ring "issue a challenge," especially to announce one's candidacy, first recorded 1917. To throw up "vomit" is first recorded 1732.
"act of throwing," 1520s, from throw (v.). Wrestling sense is first attested 1819.