Tipsy (adjective)

1. Slightly drunk or having had too much alcohol.
2. Slightly unsteady or dizzy.

Origin:

From the middle english word tipsei, meaning "slightly drunk".

Examples:

1. He was feeling a bit tipsy after a few drinks.
2. She was tipsy and unsteady on her feet.
3. He was tipsy and laughing uncontrollably.
4. The party was in full swing and everyone was tipsy.
5. He was so tipsy he could hardly stand up.