Top definition
A rhetorical tactic wherein a person involved in a debate or discussion dispenses with actually knowing anything about the topic in dispute before rejecting it.
"Yeah, he's spouting off about quantum mechanics, even though he knows virtually nothing about the subject. He's pulling a jaybear."
by Smac97 August 13, 2007
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