Literally meaning unenthusiastic and unexcited, it is generally used when you don't want to do a certain activity or action.
Use this to completely shut down a person's request. Just continue saying 'Not Keen' to all their plea's, until they get bored and stop bothering you.

To be eager, excited or interested in something/someone. A word of many facets.

To be excited or interested about something.

1)Eager to do something, or someone.
2)Used to describe someone who is ready and willing for sex, anywhere anytime.

eager or obsessive about someone or something.

used to describe something that is in a good state, or prudent

synonyms: rocking, cool, smart

A boring little white college town where everything closes early and the people go to sleep, with the exception of two bars. The residents are sheltered and stuck in their ways. A town where the amount of students who aren't white in the local high school can be counted on two hands. A town that lost the only thing it had to Boston (a world record regarding lit pumpkins), o wait, they still have Jumangi (it was filmed there)