Too eager, excessively eager or keen.

Excessively forward; too bold or familiar.

Exceedingly willing, too willing.

Of unsound mind; insane, mad, demented, ‘cracked’. Often used by way of exaggeration in sense: Distracted or ‘mad’ with excitement, vehement…

Relating to or designating a person or thing regarded as trying extremely or excessively hard; overeager, overzealous.