A bite of the best part of your food saved for last. Tucked to the side, hence "tucker". Similar to crunch, sandwich, crunch, but in reverse.
"dude, don't grab that last bite of my sandwich. I'm saving it as a Tucker for when I finish these fries".
by J. P. May 9, 2015

by smarter then you July 28, 2016

Sleeping with one of your thumbs in your anus while sucking the other thumb, then switching them in your sleep.
by Tucksdrumpf March 7, 2023
