awkward

A big grin with a sweat drop — relief, nervous laughter, or a close call.

A face peeking through fingers — curiosity with a hint of shyness.

See-no-evil monkey.

A face with a zipped mouth — keeping a secret or staying silent.

A face with gritted teeth — cringe, awkwardness, or second-hand embarrassment.

A person standing.

A smiling face turned upside down — sarcasm, silliness, or 'everything is upside down'.

A pair of eyes — watching, noticing, or 'I see what you did there'.

A face melting into a puddle — overwhelmed by something cute or intense.

A person shrugging.

An anxious face with sweat.

Sweat droplets.

A face fighting back tears — deeply moved or emotional.

A flat, emotionless face — neutrality or mild disapproval.

A face with a completely blank look — expressionless.

A face with no mouth — speechless, saying nothing.

A face with wide eyes, raised brows and flushed cheeks — embarrassment, shock, or shyness.

A confounded face.