heady

ADJ : usu ADJ n

A heady drink, atmosphere, or experience strongly affects your senses, for example by making you feel drunk or excited.

• in the heady days just after their marriage.
  

..... Cobuild

1.(a) Intoxicating or stupefying: heady liqueur.

1(b) Tending to upset the mind or the balance of senses: standing on a heady outcrop of rock.

1(c) Serving to exhilarate: the heady news of triumph. 

2(a) Impetuous and rash: a heady outburst of anger.

2(b) Domineering; overbearing: too heady to reason with.

3. Swift and violent; headlong: a heady current.

4. Showing intelligence and good judgment; prudent: heady tactics.

5. Suffering from a headache: a heady, throbbing feeling.

...... Am-Heritage