For seriously 

Used to back up a statement that is strongly true.

Person A: Dude, the performance of Berlioz's "Symphonie Fantastique" was the best thing ever!!

Person B: For seriously!

For seriously by Sho Fo-Sho March 9, 2009

for seriously 

Often used to show excitment with underlining uncertainty.

Person 1: I had a car crash, but no one was hurt
Person 2: For seriously?!!

for seriously by textfile232 January 18, 2006

for serious 

it’s like bro are you serious ? a mix of for real and serious 🤔

“she literally just told me it happened biatch”

and i go “are you for serious?”

for serious by cxforseriouscx June 1, 2019

for serious 

(1) adv - "seriously?", expressing doubt/surprise or asking for confirmation
(2) exclamation/statement issuing confirmation
(3) agreement

(1) yo girl is preggers with triplets?! for serious?!
(2) for serious, that chick wants my ass!
(3) "that teacher is dumb ass hell."
"for serious, man."

for serious by je adore dior March 8, 2003

for serious 

a combination of the phrases "for real" and "seriously", "for serious" can express agreement when used as an exclamation, it can also be phrased as a question.

Example 1:
person A: "Hey, I got a new cell phone today"
person B: "For serious?"
Example 2:
person A: "That girl is such a ditz"
person B: "for serious!"

for serious by Jon Pan September 25, 2005

for serious 

a mix of for real? and are you serious?

u can add LY to serious if needed~

ll: we have homework tonite
kk: "are u for serious?"

for serious by Anonymous March 14, 2003

for serious? 

It's just like fo' real, but it sounds funnier and sometimes doesn't make sense to people the first time they hear it. Sure to make people laugh.

Bob: Did you know Britney Spears got fat?
Janet: For serious? She used to have such great abs.
Bob: For serious.

for serious? by Joseph Eckersen October 5, 2007