The Noun, adjective and verb, 'Erm' comes from the origins of Jae Ermer, may he rest in peace. A word with infinite meanings and offences, and prolifically used in any situation. We say Erm in memory of Jae.
This usually means that the person is either surprised with what you said and or shocked. But in often times this means that you saidsomething out of pocket and made something that could have offended them.
"Like she can't evenfight like NO offense like I know she's your friend but.."
" erm..? what are you even talking about right now..?"