ER

1.Emergency Room

2.Extremely Random

1.I went to the ER last night.

2.My little brother is ER.

by Jayrod64 June 24, 2011

Er-Er

Interjection. A mix of the words 'error' and 'uh oh' Coined by Sarah Peterson of Seven Lakes High School. Pronounced ur-ur

Computer: Self destruct in 5 minutes.
Student: Er-Er...

by Terrarron October 26, 2010

Er

A commonly used filler word, to make up for the gaps in conversation. Tends to annoy the shit out of people for its overuse, and indicates that the user doesn't have the slightest clue what they're talking about.

Reporter: "You claimed that when you receive backlash, you should, quote, 'dab on them haters'. What do you propose should be done if the haters dab back?"
Jake Paul: "Er...well...er...that's an overused meme...er...WHAT ARE THOSE?!" *Flees the scene with his gang of fuckboys*

by Mickey_G_ April 13, 2019

er-er

A covert reference to sexual activity, particularly in response to a non-sexual statement. Literally, the squeaking of a bed during sexual intercourse.

Gloria: Lisa, would you like help trimming that bush?
Kevin: Er-er.
Gloria: Huh?

by Mike December 26, 2004

Er no

A word often used in the Midwest, more specifically in Wisconsin. Some joke that a lot of people born in Wisconsin ended up with that as a name. It's used at the end of a yes or no question.

Do you wanna go to the movies...er no?
Want to get a drink from the bubbler, er no?
Do you need to stop at the Tyme machine, er no?

by Oreomom May 28, 2014

er

a space-filling meaningless word, synonym for um

a response that what someone else said was dubious in some way.

er, I don't know.

er, yeaaaaah, if you say so...

by Binyamin May 27, 2004

ERS

a card game, short for the full name, Egyption Rat Screw. I very easy game to play but confuses the hell out of people when theyre trying to learn. similar.

Wanna play a game of ERS?

by Katie March 6, 2005