A type of bandage associated with engineers of any sort (i.e. electrical, mechanical, etc) because of the simple yet effective design, consisting of some sort of absorbent material such as paper towel, and tape such as black vinyl electrical tape to hold the absorbent material in place.
Example 1:

I cut my finger on my car's frame when I dropped the transmission, so I needed an engineer's bandage to finish working on it.

Example 2:
Man 1: What's that black tape on your finger for?
Man 2: I cut my finger working on my car's transmission so I had to make an engineer's bandage.
by Tiger Whyte March 5, 2018
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