person 1: 0migawd pls do nawt tell him dat ; r0fl lmfao lolzsss xppp  person 2: shadafuqup
'shut the fuck up', but intensely bold and cutely concise
"person 1: 0migawd pls do nawt tell him dat ; r0fl lmfao lolzsss xppp  person 2: shadafuqup" What is the definition of "shadafuqup"?