An abbreviation used in place of Linebacker, a defensive position in the game of football. There are inside and outside LB's.
The LB snuffed out the run and stopped it in the backfield.
by -xXx- -XxX- August 14, 2006
lb means litte boy. like the little grade nines at your high school.
shes going out with him? ew! hes an lb
by potato girl January 15, 2005
LB: Sexy, amazing, loveable, hot, young man who scores with the older ladies
Kate: oh man davids the hottest LB ever, id fuck him so easily <3
by dzilks October 24, 2010
LB (lostboyz) a gang from nyc.tekkin over south ozone park , ny
dat niggaz lb so dont fuk wit him
by peezie October 12, 2003
Loves to give and receive head and does an amazing job at both. She is a loving, affectionate, passionate, and generous lover.

She can be described as sexy as hell and knows it.
LB is passionate and sexy when she is in the throes of sexual passion.
by Cloud Dancer April 26, 2009
Laptop Buddy when two people who are friends both own laptops you can call each other LB laptop buddies!
("you are my LB laptop buddy!")
by alabamo123 January 11, 2009
Simply means a straight up BAMF. No questions asked.
Did you see what that girl just did??!? What an LB.
by trillamanilla March 11, 2008

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