A stand-alone expression meaning that you have absoultely no clue what someone is talking about. The term is derived from a rather famous picture, widely circulated on the internet
that shows a bunny with a pancake on its head with the caption: "I have no idea what you're talking about so here's a bunny with a pancake on its head."
"LeBron James scored 32 points and had 8 rebounds in last nights basketball game!"
Bash - to call a friend on the phone for the purposes of organizing a get-together; usually implying that the target of bashing may not want to be disturbed.
Could also involve threatening e-mail or actually driving to the person's house.
"What's Bryan doing?"
"Wanking it, hell if I know."
"Let's go bash him and make him run game today!"