Wiktionary
hangar rash
n. (context colloquial English) minor damage caused to an aircraft caused by collisions with a hangar, structures, or another aircraft. Compare with road rash.
Wikipedia
Hangar rash
Hangar rash is an aviation term that refers to minor incidents involving damage to aircraft that typically originate due to improper ground handling in and around a hangar, other aircraft or objects on the ground. Such aircraft are typically considered as good as new once repaired or re-skinned.
Category:Aircraft ground handling