When a person is compelled to renounce the act of another because it violates their own morays,norms.
“Trevor was feeling severe trevadation because Mike took the bus , and buses are for lazy people.”
“ Dude you can’t eat that in here, your giving me the Trevs...”
The feeling one experiences when a situation arises that makes them uncomfortable because their own norms or morays are disregarded in a coquettish, almost British scenario.
Trevor was full of trevadation because Mike road the bus when had a perfectly good bike to ride to work.