Expression used often by Everyone
amañada (f) • For when a person is very comfortable in a position or place.
Note: This word might have a different meaning in other Spanish speaking countries
"Está muy amañado en su nuevo trabajo." "Está muy amañada en la fiesta."
"He is very comfortable in his new job." "She is very comfortable in the party."
3 out of 8 Spanish, Castilian speakers have heard this