Gáogoit
Rubbed off dead skin. This is my favorite, because I don't know of any other languages that have a word for this. Perhaps someone can enlighten me. All good Teochew parents teach their children how to clean themselves, and it takes a daily regimen of rubbing away gáogoit.
Mimi
Something shut closed but with a slit or small crack of showing. Mākmimi is someone's eye's that are closed so tight you can only see the slits. Perhaps "chink" would work.

Bhọlẹng-ūi
There's nothing you can do about it, there's no satisfactory way to do anything about this.
Lōng
To slide an object into a relatively small opening. Something like sliding a chopstick into a hole, or reach in with one's hand into a bag.
Tīktō
This one doesn't describe anything unique, but encompasses vacations, play, leisure, and doing anything for fun or enjoyment.
Have any more? Share them in comments!