eggcorn

[Victor Steinbok]

"Hampen", possibly for a blend of "hamper" and "dampen". Seen in the
wild (in IRC):

> It's probably a good thing for me because admittedly it seriously
> hampens my ability to get my work done during the day

While it is theoretically possible to mess up n and r, most of the time
it's a straight word substitution (I just typed "even" for "ever" about
an hour ago, but caught it). The two letters are not neighbours in QWERTY.

     VS-)

------------------------------------------------------------
The American Dialect Society - http://www.americandialect.org