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9.
1. When refering to a female, beastly means she is just that. A beast you would not want to go anywhere near.

2. When referring to anything else, it simply means large or impressive.
1. I would not go near that beastly she-bitch, not even to talk to her hot friend!

2. That is one beastly truck you have there.
by JakeStar August 17, 2005
 
1.
Being good at a certain things
K1: Did you see how she hit that ball?
K2: Yes, it was very beastly.
by Jordyn Hall May 06, 2005
 
2.
Beast(ly) - adj. The characteristic of being good at something, or doing something incredible. (As a beast)
Dude: Way to be beastly by going up those stairs with your broken leg!
--
Dude: Yeah, it was beast when you got up there and sang in front of the school.
by T.D.V. April 14, 2008
 
3.
When a person or something are particularly skilled in some certain aspect.
Woah Ben is beastly at dancing the tango!
by Pawlin February 06, 2008
 
4.
anything that is wildly and extremely (insert any adjective here)!
Person #1 - oh man! that AP US history summmer assignment is BEASTLY.

Person #2 - hell. yes.
by bill August 04, 2006
 
5.
Just IMMENSELY buff/fit/athletic
or just all around awesome
(Blank) "Dude did you see Ryan tackle that guy at the game "

(Friend) "Yeah dude hes beastly!"
by Nowa Chuck Norris October 09, 2009
 
6.
beastly means to be so good at sumthing that you are almost like a beast
Rodney is a beastly soccer player
by martian rocker February 10, 2009
 
7.
something or someone that can be described as really cool, awesome, fantastic, admirable, kickass, etc.
yeah dude obama's hella beastly for sure
by easy0lucky0free September 18, 2008