To pull a Keller is a swimming term that means to jump off of the starting block and land on somebody who is already swimming.
Person 1 is up on the block, ready to dive as Person 2 comes in towards the wall.

Person 1 prepares to dive, but Person 2 does a flip turn instead of touching the wall, meaing they have another 50 or more to go.

It's too late for Person 1 to stop, and he falls into the water on top of Person 2.

Person 2: "I still had another 50 to go! Way to pull a Keller and get us D.Q.ed!"
by The Last Cowboy June 4, 2009
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Pretending to be blind, stupid, deaf, unable to speak (mute) and sometimes even pretending to be a lesbian just to get out of school work, homework and other dumb stuff.

"I asked this chick at the bar for a fuck and she went all lesbian on me!"

"She pulled a Helen Keller on ya!"

"Mrs. Moore asked Jenna for her homework and then Jenna started pulling a Helen Keller!"

"What happened?"

"Jenna started making funny mongoloid noises, then threw herself out the classroom window and then got up with cuts to her face screaming she was blind!"
by The Moody Poet January 7, 2007
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