When a man has sex using a condon and ejaculates inside it.He later places the comdom on the floor and stands on it ;so that it shoots out towards a place or person.
Awhhhh bro , I shagged that girl jade last night and afterwards I frubed Charlie on the face .He looked like a right spuggy
FCubed is basically a simplified way of saying First Female Fuck...This is typically used as a joke amongst heterosexual women when describing an attractive female.