look up any word, like cleveland steamer:
When your significant other is asleep on the couch and or bed, you approach with the utmost stealth, t-bag them, photograph the event and escape without detection.
"Johnny sent me a photo of him ninja bagging his old lady last night!"
by J. B. Trevor March 02, 2008

Words related to Ninja Bagging

bagging mushroom stamp ninja potato sack t-bag