That time you find yourself in, when you just finished an eighth and you haven't bought a new one yet. A time of trials and tribulation, you could say.

Last year of schooling that the youth will actually need to go into the real world.

When the male partner inserts his testicles into the female partner's anus with his penis simultaneously inserted into the vagina. This often creates a side effect known as "fecal testicles" which most men find discomforting.

Titties in your ass, if a woman puts her titties in your ass, you have been to eighth base.

Your half-brother's half-brother's half-brother.

Is an eighth of a beat, is played fast

Vodka in a "gatorade ice" bottle. Used by eighth graders to get drunk in school. Whoever brings in the vodka is often suspended for the rest of the year.