What is Yamming It?
1.
When someone trys to scam you, or get their way when they are in the wrong, commonly used in driving when someone trys to get in front of you just to slow down or cut you off
"Hey Buddy you chose that lane dont try to yam it and move over"
"This bitch is yamming it, trying to skip a whole lane of traffic and cut into the turning lane at the last second"
See