To be under the weather
To feel ill or unwell
Get/be fed up
To become annoyed, frustrated, or tired of a situation or person.
To be Cheesed off
To be really angry about something
Be head over heels
To be deeply in love or infatuated with someone
To have a sinking feeling
A sudden sense of dread or realization that something bad is about to happen.
Pull your hair out
Anxious and upset
On cloud nine
Elated / Happy
Butterflies in my stomach
Nervous
Happy camper
To be happy and satisfied
To be on pins and needles
To feel anxious or nervous while waiting for something.
Carry a torch for
Have feelings for someone
To zone out
To be bored or uninterested
To be shaken up
To be emotionally disturbed or unsettled, often after a shocking event.
No hard feelings
Feel no resentment or bitterness about something
Feel blue
To be sad
On top of the world
Jubilant / Feeling amazing
See red
Very angry
Down in the dumps
Depressed
Over the moon
Thrilled / Happy
To Blow a fuse
To lose your temper
To feel beat/bushed
to feel tired