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2.
Genetically Engineered Life Form. Gelfs are all that remain of humanity after we render ourselves extinct in the far future, but we leave cultures of mix-matched animals on terraformed planets. Created by Rob Grant and Doug Naylor in the TV show and books of Red Dwarf.
Lister: We've got to shake it. What's over there?
Kryten: Gelf Space.
Lister: It'll never follow us in there.
Rimmer: No because Glefs are untrustworthy dangerous savages, it would be insane.
by Wingy December 12, 2005
38 26
 
1.
a word that can be used in place of any word that you can ever think of, usually this would be a curse or bad word. Used to create funny sentences.
"You are a flipping gelf"
" I heard you gelfed that girl last night"
"OMG i just gelfed in my pants"
"My girlfriend dumped me, what a gelf"
by Matt Thoggy August 16, 2007
76 23
 
3.
a mythical elven creature which follows you around and is essentially a part of you
sometimes I just want to kill my gelf

I love to play with my gelf
by Kouji March 01, 2008
15 16
 
4.
Guy Everybody Likes Friend. Commonly used by drunken party-goers on the London Underground.
Due to his friendly nature, that one definitely looks like a gelf.
by Gordan Brown October 28, 2009
11 16
 
5.
G.E.L.F. =

G irls
E veryone
L ikes to
F uck
There will be alot of hot G.E.L.F.s at the party tonight!
by WordofMouth September 07, 2008
4 12
 
6.
an efeminate short guy
Nathan Lane is a gelf
by Johnny A April 21, 2003
8 37
 
7.
a girlfriend (see the example below).
Oh my gawd. His gelf is a crack whore.
by Johnni December 14, 2006
6 36