There are three major college degrees one can achieve: B.S., M.S., and PhD. These initials stand for the following-
B.S.-bullshit
M.S.-more shit
PhD.-piled higher and deeper
class dismissed.
mick: hey, the new engineer's specs are all out of whack!! we'll never get this thing built with these numbers!!
rick: well, buddy, you've just discovered the secret to a college degree. it consists of B.S., M.S., and PhD.
dick: yeah, we all know that, butthead!
rick: are you sure? for these college degrees, the initials stand for bullshit, more shit, and piled higher and deeper!!!
everybody laughs; the engineer in question walks through and they laugh even harder
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.