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1.
747
1) An airplane made by Boeing, competetor of Airbus. It is the fastest subsonic jet in the world, crusing at .855 Mach, or 85% of the speed of sound. The 747-400 can seat up to 630 passengers. It has 4 engines; however, it can still fly with only two operational engines. It is used for international flights.
1) When we flew from San Francisco to Taipei, we flew on a 747-400.
by Teh Food March 19, 2005
 
2.
747
A long range, heavy lift aircraft made by Boeing. Newest model being the 400 series. Characterized by sleek lines, a proven control and avionics system, and intelligent balance of atomization and good Ole' Fashioned pilot input, making it the top selling Long-Range airliner on the market. Often bashed by supporters of Airbus for it's superior looks and sales, compared to the less-attractive A340, and the over-ambitious and pig-nosed A380.
We flew to Prague on a 747.
by Notams September 22, 2005
 
3.
747
a girl/guy who looks very fat/heavy, and could easily be mistaken for a 747 jet airliner.
Bob: Hey Phil, check out the 747!
Phil: Wow dude, major liftoff.
by John A. January 27, 2004
 
4.
747
While making out, one of the kissee's goes to insert their finger into the other persons anus, without the other persons consent, and always to their surprise.
1. Q. "So what happened last night after you took Jessica home?"

A. "Oh my god dude, after we got home we started making out on her couch, then all off a sudden she gave me a 747."
2. "Man this Michelob makes me feel like somebody just gave me a 747."
by BrendoBot August 01, 2010
 
5.
747
Carrying a small girl facing down throughout your house having sex with her in as many rooms as possible while she sticks her arms straight out to the sides and makes an airplane noise.
Please put your tray tables and seat backs in the upright position and get ready for an all night ride on the 747.
by Pale Rider 1 December 15, 2009
 
6.
747
When a female simultaneously gives two hands jobs and a blowjob at the same time. The up and down motion she has to perform while stroking one cock with each hand and giving a blowjob to the third cock replicates the flight of 747 aircraft.
That chick at the bachelor party was crazy, she was doing 747's all night.
by CDW October 25, 2006
 
7.
747
Stupid, clueless. Used as a remark about someone who misses a joke (it goes over their head, like a 747, which is a type of plane)
Person 1: why'd the chicken cross the road?
Person 2: Why?
Person 1: to get to the other side
Person 2: hunh?
Person 1: oh god, 747...
by djfly May 31, 2007