Urban Dictionary

The flirtatious grabbing of the knee (or any other body part) to necessitate a "friendly" reaction from a female.

they use it in the military

o'dark hundred are the hours before the sun comes up

way the fuck out there

the best -- it can't possibly get any better than all aces.

Not able to be faded. That which is sublime, above rational comparison.

for real, truthful

tail! it's the opposite of head, and synonymous with "ass"