When one observes a predatory male touching feeling and generally harassing other females who are oblivious to said males activities.
Person 1: Do you wanna play the Greg game??
Person 2: Yeah go on, look at that fucker over there.
Person 1: Mate is he playing rock paper scissors and touching their thigh's, cheeky cunt!
Person 2: Fuck me, he's even getting away with it?!
When Greg's special someone is talking to someone else.
Yo, look at Greg... Greg's Fuming!!!
When you decide as a civilian to wear full military kit and take an Uber to a curfew zone in order to link up with the National Guard unit to provide security, but get arrested for not having any sort of common sense
“Hey man, I’m thinking about Greg Wong-ing downtown”
“Hey, don’t go full “Greg Wong” when you go out tonight.
Sexy, tall, knows how to speak to the ladies and can have a good time (get fucked up.) You'd know a Greg Kelly when you meet one.
If you haven't met a Greg Kelly then you're missing out.
The phallus being dry, as such being subjected to significant friction and pain upon its use.
Man 1- AAAAGAHAHAGRHHHH!!!!!!!!!
Man 2- What's wrong?
Man 1- I have a GRIPPY GREG.
Super Greg, a hispanic rapper. Number 1!
Uh, Super Greg? I'll have Soup.
Sunburnt dad. Nearly always is wearing a wife beater and shorts, but has a marching tan. Dad of Steven Universe
"Yo, you seen that Greg Universe"
"Hell yeah, he washed my car!"