1 definition by Mini-Sue

Top Definition
A term used to describe the spontaneous impersonation of Jonathon. Compound word derived from the stem: Impression, and suffix derived from the name: Jonathon.
Often occuring within the forum of a Session.
The improntosaur: "I mean, that is juust... you know... unbelievable! Hiiiiiiigh!"
Audience: "(laughter) Mate that was a well good Impronathon!)
by Mini-Sue September 19, 2004

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug