hahaalkashs 

The inaudible gibberish one speaks when confronted with a highly embarrassing situation.

Upon walking into a glass wall in front of her CEO that has always been in the same place, Maddie (likely concussed) could only muster a few letters strung incoherently together in response:

*bang*
CEO: ...
Maddie: "oh.... hehe......... hahaalkashs"

*Maddie leaves the building promptly*

hahaalkashs by Chowclate October 28, 2019