People from outerspace. Generally peace loving and wise, they've come to Earth because we've got velcro and they love that shit
I've got some Aliens living in my basement
by Quicksand Jesus May 2, 2004
Far out dudes that love some good kush. Can be often seen flyin around in their saucerz stoned af looking for some dank weed that humans crop. Their language consists of 'Ayy' and "lmao' said in varying lengths and tones.
Bro 1: Yo dude I'm so high I'm talking to aliens
Bro 2: Nah man they're trying to steal your joint
by Lusturr October 29, 2016
Alien: wqhiqhivhjvjkmuahahahahahaha...
Dutch: Run! Get to the chopper!
by Rothbard February 16, 2012
1. In terrestrial terms, those who come from another country, a.k.a. immigrant.

2. Usually refers to any being that isn't from the planet earth, a.k.a. extraterrestrials (E.T.)
by Loki August 4, 2003
Something that stupid people say don't exist
Out of over 1 billion planets in the universe I would think more than one has aliens on it.
by Spikesy July 18, 2006
An excellent science fiction movie series. Features a race of insect-like aliens called Xenomorphs, which have acidic blood and a collective mentality. They lay eggs like normal insects, but the larvae can only mature into adults by leaping onto a host organism's face and injecting themselves dow into the digestive tract. The adults burrow themselves out of the host, killing it in the process.
Basically, if you have an alien Xenomorph on your planet, your species is doomed.
Not even the Marines were tough enough to face the Xenomorphs in the Aliens movie.
by AYB October 17, 2003
1. A person from a foreign country
2. An extra-terrestrial being.
Paco is an alien
Oh my god is that an alien?!?!
by PhatDawg August 2, 2005