packing a soda can in his pants - Your pants are so full of soda can, they might burst like a

Your pants are so full of soda can, they might burst like a water balloon.

He packed a soda can in his pants so much, he looked like he was wearing a can of soda.

My uncle packed a soda can in his pants and got kicked out of the bar.

She packed a soda can in her pants and the whole table laughed at her.