the verbal equivilant of the "wink" or "nudge". should be said in a flirty tone, with emphasis on the "ho".

A pubic hair piece. A toupee for the pubic area/genitals. In the 1700’s when mercury was used to treat sexually transmitted diseases (Gonorrhea or Syphilis) one of the side effects was the loss of pubic hair. To disguise this condition, that was not cured by mercury, a Merkin was employed.

a high school party where basically anyone is welcome and there’s normally drinking and music

OHO standing for One/ Handed/ Operator/...this is basically a short term used for describing the famous but usually unnoticed actions of using a pissing terminal (urinal) one handedly while using your other hand for various tasks such as texting, making phone calls, holding a beverage and/or drinking from it, and such simple things as scratching your head.

Testicles on a transgender who still has his testicles. "Ovaries Hanging Out"

LOLWUT face, surprised, angry face