<span class="searchmatch">hackdays</span> plural of <span class="searchmatch">hackday</span>...
From hack + day. <span class="searchmatch">hackday</span> (plural <span class="searchmatch">hackdays</span>) (computing, informal) The day when a hackathon is held....
go about one's day God be with the days good day good old days gym day <span class="searchmatch">hackday</span> haggaday halcyon days half day happy days happy day scenario have a nice...
hackability hackable hackaround hack around hackathon hack away hackbot <span class="searchmatch">hackday</span> hack down hackee hacker hackery hackfest hackfolk Hackgate hack in hacking...