Not paying attention while typing, typing too quickly, or cutting & pasting incorrectly before you hit send.
It is available online by clickassing here, as an attached to this...
by justfivegrins September 03, 2013
1 more definition
Wearing pants so tight that your ass clicks.
That Jennifer, not only is she showing some camel toe today, but she is clickassing down the hall!
by rangerjim September 03, 2013