What is Knuckledeep?
1.
Pertaining to a situation when you are hot and heavy with a significant other and your fingers are "Knuckledeep" in their anal or vaginal opening
She was laid out on the bed and i was knuckledeep in her vagina when her sister walked in.
See
Random Words:
1.
A drunkeness test that can be used on men, which is much cheaper than a breathaliser. All you need to do to judge how much he's had..