To put an object in your pocket in a sneaky way. Can also mean to eat junk food fast.
Etienne was a the dentist signing some consent forms.
Etienne: "Hey, this pen is nice. Can I keep it?"
Receptionist: "Sure, whatever".
Etienne pouches the pen.
-I just pouched this poutine.
- "Dear sir, I would like to offer a $5.00 Tim Horton gift card as a thank you for waiting today".
"Great, I'll pouch that".
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