Abbreviation for 'The Haystack'...a slang term for the city of Hayward, California in the Bay Area.

the thing that you don’t have when you’re phones percentage is over 20

The end all, be all of STDs.

The Stack includes all of the following and more:
Gonorrhea
Syphilis
Hepatitis A, B twice, C
Gingivitis

The Plague
Impotence
Premature ejaculation
Cancer
Food Poisoning

Osteoporosis
Scurvy

Shrinkage
Small Pox

Anal Leakage/Seepage
Prolonged Lifespan
Aids

Phenylkketonuria(PKU)

Non-consensual Homosexuality

Third testicle (regardless of gender)
Uneven tire wear

Bad sense of direction
Conversion to the church of Gary Busey

Obsessive stamp collecting
Reverse bilingualism
Port-o-potty Specialist

Deviated septum
Slavery
Conversion to Judaism
Nipple lactation

Appreciation for modern art
High interest rates
Weak investment portfolio
Shaq-fu
And it will ruin your credit score.

There is no known cure. If you contract The Stack, do not attempt to kill yourself for it will only anger the disease.

name for the city of hayward, california.

The stacks is where college students go for a steamy sexy study break, usually during midterms and finals.

Combination of LSD & Ecstasy.
"Stacking" on the experience.