let's go on a trip Share definition Flag Let's get high on acid. A "trip" is experienced when you're under the influence of a drug. Hey kids, let's go on a trip. I'll bring the drugs!!1! let's go on a trip by iamgodlol January 3, 2015 0 0 Get merch Get the let's go on a trip mug. Buy Now — $32.95 See more merch