Top definition
The act of farting around others and trying to cover the fart noise with another noise such as coughing, clapping, banging on something, etc.
"Did that guy just ninja fart or was he really coughing that loud?"
"Jessica, you are such a ninja farter...we all know why you were really clapping."
by Joey3 April 09, 2006
Get the mug
Get a ninja farter mug for your coworker Paul.