Verb: when you're laying in bed, hungover, next to your one night stand and you need to sneak a fart.
I hope that hot guy didn't smell my ninja toots this morning.
by sherbz June 20, 2014
To sniff a Gram cocaine in unlikely situations without any one else knowing.
Was at the womans nephews birthday party, but it was ok because I had a sneaky gram of coke and was ninja tooting all day.
by uncle_buckfast August 04, 2014