The mouth (or oral cavity). The lol hole is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva.
<Bob>OM-Gee! He just let sauce drip out of his humongous, dashing, ravishing lol hole!
<Joe>Wow, you have a fetish for guys with big lol holes? I knew my mum was wrong when she said having a big mouth was good for nothing!