Anyone that responds to an emergency that is not immediately on the scene when it happens. Ex: police, firefighters, paramedics.
The true first responders are those who are at the scene when the emergency starts and the second responders arrive during or after the situation has already been resolved.
by Bourbonstreetguttersnake May 26, 2021
Get the Second respondermug. 
A second baseman is a person is either baseball or softball that plays second base. They typically do not get much hit to them but when they do they are on their toes. Their specialties include covering first and second as well as covering the base in a run down which they always enjoy. Typically the most enthusiastic on the team and hyper about getting to play their position. Second basemen always rock a face mask when chosen. Most second basemens take possession over the base second and are very protective over their spot.
Person 1: “dude did you see how hyper she was covering second for that run down!!”
Person 2: “yep! She must be the second baseman.”
Person 2: “yep! She must be the second baseman.”
by allielovesunicorns January 4, 2019
Get the Second basemanmug. by Mike_Litoris October 23, 2022
Get the Reddit secondmug. by Odgevwkrifnfjf March 23, 2021
Get the cat secondmug. One dog second is around 0.003 seconds. Yes I calculated it it took a lot of time and it was worth it.
P1: Hey how much is one dog second?
P2:one sec...(30 minutes later) 0.003 seconds is one dog second.
P2:one sec...(30 minutes later) 0.003 seconds is one dog second.
by Odgevwkrifnfjf March 22, 2021
Get the Dog secondmug. Commonly your younger brother or sister who stands right behind you because they are shy around people they don't know or you have to mind them and they take mums words "Stick close to your older brother/sister" literally.
Friend:Oh my God did you see Game Of Thrones yesturday when they-
Me:Shhhhh... I have a Second shadow
Me:Shhhhh... I have a Second shadow
by Shitionary May 16, 2016
Get the Second Shadowmug.