1. To show exasperation, of course.

2. A sign of infatuation in girls

See ugh

A noise that emits sadness or frustration

Used in online conversations to express frustration

Loud sigh (release of air) to get other people to notice you are depressed, tired, bored or over worked.

A Silent Scream from deep within.

intentional, vocal sighing done by one coworker passing another coworker's desk. Used to initiate a tedious conversation about themselves.

when your feeling really edgy say "siGh"always make sure the g is uppercase