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
Mug icon

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