tuck and smother
The term "Tuck and smother" refers to the act of hiding a beer or other alcoholic beverage under your shirt/jacket/or other article of clothing and carrying it out of the bar or restaurant you are in, in order to drink it on the walk/drive to home/bar/party etc.

Term originated in the bars of Boston, MA. 
Yo lets go to the next bar, I am going to tuck and smother this beer out of here. 

Hey, this place sucks lets tuck and smother these drinks and go back to my place.