To speen is to blame an individual for causing you to forget something that they should not have know about yet should have told you anyway.
JESUS KIM! You bloody speened again!
A limited reference to a persons inability to understand simple topics.
"The effects of quantum mechanics are typically not observable on macroscopic scales, but become evident at the atomic and subatomic level. There are however exceptions to this rule such as superfluidity." reply "Ye Stone-Age"
"Simmer on low for 10 minutes" reply "Stone age?"