Ma'anar ƙamus na kalmar "powder keg" ita ce ganga ko kwandon da aka cika da foda, wanda yake da matukar fashewa kuma za a iya kashe shi ta hanyar wuta ko zafi. A alamance, ana amfani da kalmar don bayyana yanayi ko wuri mai tada hankali da tashin hankali, da kuma inda wani ƙaramin lamari zai iya haifar da tashin hankali ko fashewa.
