Verb-The act of reconstructing your night, after blacking out/time traveling, by studying missed calls, out going calls, voicemails, instant messages, texts, emails and reciepts.
Boss: Where did you go after ROXX?
Dos: I checked my phone and saw that I went to the lodge, called Jim and then I sexted my mother at 3am
Boss: Good blacktracking
(verb) The act of backpedaling after spewing some racist sh*t that was poorly received by the other people in a conversation.
"When he goes to prison, he's gonna get raped by a big black guy named Carl..."
"Why does he have to be black?"
"I... guess he doesn't? That's the first thing I thought of."
"I don't know. I'm not racist. My best friend is black."
"Nigga, you blacktracking."