Noun. The sudden appearance of phallic imagery while in a drug induced state. This means you are gay. Or a woman. Or whatever is worse.
Guy 1 "Dude, my brother was phallucinating yesterday"
Guy 2 "Is he a woman?"
Guy 1 "No..."
Guy 2 "That means he's gay"
Guy 1 "I got these mushrooms but don't want to take them."
Guy 2 "Why?
Guy 1 "Don't want to be gay or a woman."
Guy 2 "Oh, you don't want to phallucinate."
Guy 2 "Is he a woman?"
Guy 1 "No..."
Guy 2 "That means he's gay"
Guy 1 "I got these mushrooms but don't want to take them."
Guy 2 "Why?
Guy 1 "Don't want to be gay or a woman."
Guy 2 "Oh, you don't want to phallucinate."
by The Family Hoblong January 29, 2015
phallus (penis) + hallucination (mirage, false sensory experience): noun - thinking you see a penis when or where there isn't one expected.
by pistachioceanic September 15, 2017