From the customary starting of competitions by making a sweeping downward motion with a cap.
Prepositional phrase [ edit ]
at the drop of a hat
( informal , idiomatic ) Without any hesitation ; instantly .
Synonyms: at a moment's notice , at once , in a heartbeat
We're expected to just do it at the drop of a hat .
If you need help, just call on Mike. He can come at the drop of a hat .
1957 , Jack Kerouac , chapter 1, in On the Road , Viking Press, →OCLC , part 1:A tremendous thing happened when Dean met Carlo Marx. Two keen minds that they are, they took to each other at the drop of a hat .
2014 , Becky Rutledge, Miss Becky's Charm School [1] , Citadel Press, →ISBN :Let's face it. We are swollen up like an overfed slug, our breath stinks, the tiniest irritant is magnified ten thousand times, and we cry at the drop of a hat .
instantly, without hesitation
Arabic:
North Levantine Arabic: بغمضة عين
Basque: begien itxi-irekian , begien itxi-ireki batean
Danish: please add this translation if you can
Finnish: hetkessä , käden käänteessä , tuosta vain , alta aikayksikön (fi) , epäröimättä
French: en un claquement de doigts
German: von einem Tag auf den anderen , von heute auf morgen (de)
Greek: στο πι και φι (el) ( sto pi kai fi )
Italian: in un batter d'occhio , in un battito d'ali , in men che non si dica
Polish: na zawołanie , w każdej chwili , w mgnieniu oka (pl)
Portuguese: em um piscar de olhos , com um estalar de dedos , num abrir e fechar de olhos
Russian: ми́гом (ru) ( mígom ) , в мгнове́ние о́ка (ru) ( v mgnovénije óka ) , ту́т же ( tút že ) , за́просто (ru) ( záprosto ) (without hesitation)
Spanish: en un abrir y cerrar de ojos , de buenas a primeras (es) , a las primeras de cambio , de inmediato (es) , al instante