A person with an expression of perpetual cynicism.
I asked if I could bring an outside drink into the theater and the usher gave me the "seriously face".
A phrase Inviting someone to have a threesome, usually a gay one
"Hey, Jeff and I are having some serious spaghetti for dinner tonight if you'd like to join."
When you make a joke about a serious topic with the intent of starting a serious conversation about it.
Person: My partner is constantly asking me for sex.
Person Who Is Serious Joking: At least your partner asks before doing it. My partner is just like "get over here fleshlight!".
Person: Do you need to talk?
Easter egg in CoD MW. In the mission "clean house" you can find a baby. If you somehow shoot or uhhh harm the baby, the screen will go black with the words saying "children are non combatants" do this 3 times and the screen will now say "are you serious" and kicks you out of the mission
Me: shoots Bebe
Game: are you serious? *Kicks you out if the mission*
something very minor that might have if you are a person in a orange jumpsuit with cool shoes and a gun that shoots portals, also if you name is Chell.
Wheatley: Now it's not out of the question that you MIIIIIIIIIIGHT have a VERY minor case of SERIOUS BRAIN DAMAGE.
Player: *jumps*
Someone who is only looking for a piece of ass to use and emotional support from the person without defining the relationship
friend #1: I've been dating a guy and we've become super close these days. But he doesn't want a relationship.
friend #2: Oh, so he's a serious fuck boy.