The bulk update request #286 is pending approval.

create alias sulking (0) -> sullen_expression (1)
create alias brooding (0) -> sullen_expression (1)
create alias gloomy_expression (0) -> sullen_expression (1)

Reason: The technical term for the expression one has when brooding or sulking

Merriam-Webster(MW) and Oxford(Ox) Definitions

Sullen
MW — Gloomily or resentfully silent or repressed
Ox — Characterized by, or indicative of, gloomy ill-humour or moody silence

Brood
MW — to dwell gloomily on a subject / to be in a state of depression
Ox — to meditate moodily, or with strong feeling

Brooding
MW — moodily or sullenly thoughtful or serious
Ox — That dwells moodily upon a subject of thought

Sulk
MW — the state of one sulking —often used in plural
Ox — a period of not speaking and being bad-tempered because you are angry about something

Sulking
MW — to be moodily silent
Ox — to be silent and refuse to smile or be pleasant to people because you are angry about something that they have done