An experience given to someone who is tripping their balls off acid, shroom, or any other psychedelic drug.
Root word: Intergalactic
1. Goddam nigga I'm goin through some intense intergalacticism right now!!!
2. Yo dude, have you ever experienced some intergalacticism before? That shit's fucked!
1. the most amazing intercourse that there is no way on God's greenearth that it's just sex.
2. wild, hot, out of this world intercourse with BBC, and i'm not talkin about the british broadcasting corporation ;)