adj. the state of being deeply impatient and/or excited about something one expects to occur in the near or semi-near future. Used commonly with an event whose outcome is currently ambiguous. Essentially an adjective form of the word anticipate.
"Prom's coming in only a few short weeks; I'm so anticipatory!"
n. One who is proficient in projecting quaint phrases that could be perceived as sarcastically humorous, even if he or she had no intent of telling such a joke. Jokesketeers can be rated on a scale of A to F, depending on the comedic affinity the joke contains.
"You think I'm not obese? Wow, you are a Class A jokesketeer!"