a cute replacement of the word "fuck".
BEEP is a high-pitched note that's used on TV and such to censor offensive languages.
"beep you!" > fuck you
"oh, i forgot my bag. beep it!" > fuck it
"it's friday and we've got H/W? beep that!" > fuck that
"oh that beeping bitch!" > fucking bitch
"it's all beeped up!" > fucked up
"what the beep?" > what the fuck
a cute way of saying "what the hell" or "what the fuck".
"what the BEEP was that?!"
"chill, dude- it was just the window."
Basically, -y is added at the end of a food name, to indicate you feel like eating that particular food.
"Dude, what'll we have for lunch?"
"I feel ricey/noodley/sandwichy/McDonaldy/ice creamy/chocolatey/chinesey and so on"