Generally failing in every aspect, be it muting ones microphone via skype, forgetting said microphone is muted and spending half an hour talking to yourself wondering why no one is responding, or dropping ones laptop on the floor.
"I forgot my mic was muted."
"Way to pull a kendra."
"Oh, shit man. I dropped my laptop."
"Haha. Bro, you just pulled a kendra.
Being with friends or in a meeting and suddenly disappearing without logical explanation or excuse ...
to pull a Clark Kent
A) Boy, Andrew was in such a rush this morning. Where did he go anyway?
B) You know Andrew, sneaky as always
A) He really pulled a Clark Kent on us, didn't he ?
B) Yes, Rupert he did