During last night's episode of Sherlock, everyone Googled the answer to the exact same question
Did you look this up?
Season four of the popular series Sherlock started last night with Benedict Cumberbatch back in the lead role. You can check out the teaser trailer for next week's episode by clicking here.
While it made a welcome return, it left a lot of people looking for the answer to the same thing - the meaning of the mysterious word "ammo".
During the show, it was used at various points as some kind of code word.
The first thing people did when they heard it was Google the term, leading to a huge spike on Google trends.
Twitter user, Cormac O'Malley, spotted the trend.
— Cormac O'Malley (@cormacpro) January 2, 2017