enthusiastic having or showing great excitement and interest; "enthusiastic crowds filled the streets"; "an enthusiastic response"; "was enthusiastic about taking ballet lessons"
colloquialism a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
gaga -
mentally or physically infirm with age; "his mother was doddering and frail"
old of a very early stage in development; "Old English is also called Anglo Saxon"; "Old High German is High German from the middle of the 9th to the end of the 11th century"