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.
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 guys take a selfie while putting on a serious face and squinting to look cool or high.
i saw John take a serious squint selfie in class.
noun. A covert operative for the Central Intelligence Agency, MI6, and/or Mossad.
Or other unknown state and/or non-state operatives, seeking to maintain the status quo of the military industrial complex.
Mick: Hey man, who do you really think killed JFK?
Jack: Serious Fucking Guys man.
Mick: ye.
Sexual intercourse that lasts longer that four hours
Oliver: Dude, yesterday Sarah and I were planning some serious bones for the evening, so I popped 4 Viagra. It still hasn't gone down.
Harold: Maybe you should go talk to your doctor about that.
doing something or acting outta pocket.
"D2 smashed Riesha on that motive last night"
"RIESHA...that guy not serious"
ʰoₒᵐₐn det zwwₑᵉₑᵉpᵉss ᶠfeˡoorrz ᵃn lₑᵒoᵥeᵢₛₛ fᶠₒoⁿdᶦuᵉmᶦnₜeₐlz
Did you see all those "Serious Investors" at the Luna conference?