1. One who is completely random and out of place.
2. One who will say the most inappropriate things that have nothing to do with the current topic of discussion.
3. A common typo of transient since L is close to the I on the keyboard.
1. To act out of place and enjoy it in any way, shape, or form.
2. To have the weirdest and most random epiphany about yourself.
Me: I LIKE PIE!!!
Some Guy: ....Wha...Dude, stop being such a transilent.