A word artsy people use when they don't actually have an explanation or strong idea for what they did. Basically in this sense, conceptual can also mean "my bullshit"
Art Professor: So what are you interested in doing?
Art Student: I'm thinking about doing a film, but not narrative or documentary or performance piece. Conceptually it's abstract and, uh....It's just a very conceptual piece.
Art Professor: You have no idea what you're talking about, do you?
A practice performed by many girls nowadays. It is characterized by when a girl pretends to be nice on the surface and smiles often, but is a pretentious bitch underneath that superficial disguise.
James: Hey Laura, what's up?
Laura: Nothing much, what's up with you? How was that concert last night?
James: It was great! Ugh, I don't know how to do this math problem.
Laura: How could you not get this? It's so easy, lol.
James: Oh, ok...
Conrad: Isn't Laura awesome?
James: No way dude, she practices concealed bitchery.
When a person under the influence of marijuana can only fuckyes(focus) on his ultimate goal and will not back down untill he/she has reached it kinda like Rambo.
Amir:" yo dude are you gonna be ok to drive"
Nik: "of course you are forgetting about the Rambo concept"