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29.
a short stubby kid that suprisingly has a huge cock and is great at sex
jeff is great at sex cuz of his huge shaft
by cock in ur face July 02, 2011
 
30.
a nice guy that loves to shower girls with gifts and act like a gentleman. he plays sports and drives a nice car.
damn you're lucky, your boyfriend is a "jeff"
by niggaaaaaa6 January 17, 2011
 
31.
A particularly stinky gaseous emission, deadly if inhaled for my the a second or two.
Did someone fart?. OMG, it's a JEFF!
by Not your wife December 13, 2010
 
32.
n. A man who seems really cool, comes off as suave and is always very charming and charismatic. But he is also shady, and a creeper
Why you gotta be so shady and "Jeffy"?
by Ivadunno November 07, 2012
 
33.
a long, white, skinny cigarette
person #1: I need a joe!
person #2: do you mean you need a jeff?
#1: shut up
by ohlookabird June 01, 2011
 
34.
A term used to describe a complete loser. A "Jeff" could be someone who wears cheap or tacky clothes, someone who is socially awkward, a loner, or just a complete asshole. Jeff can also be interpreted as a more specific version of krog.
hey check out that jeff over there with the roller-backpack and Obama t-shirt
by jfizzle4 October 24, 2010
 
35.
One who has sexual intercourse with pandas and little girls. Is also known as pedobear.
*scoffs* That Jeff is at it again...

Hey! Get that girl away from him! She's underage!
by midnightfoxkovu May 02, 2011