Beastly

[Britney]

Pertaining to, or having the form, nature, or habits of, a
beast.

[Mary Mallozziberg]

Beast - adj. The characteristic of being good at something, or doing something incredible. (As a [beast])

[Sommer]

When a person or something are [particularly] [skilled] in some certain [aspect].

[Dave Paprocki]

Just IMMENSELY [buff]/[fit]/[athletic]
or just all around awesome

[Jessica]

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].

[Vania]

To be the or close to the best at one particular subject, [affair], fight, game, [ordeal], etc.

Can be prounounced bestly, in comparison to the accepted [pronunciation] beestly.

[Tanya Shivari]

Being [good] at a certain [things]

[Kit]

anything that is [wildly] and extremely ([insert] any [adjective] here)!

[Kai]

beastly means to be [so good] at sumthing that you are [almost] like a [beast]

[Gregory]

something or someone that can be described as [really cool], awesome, fantastic, [admirable], [kickass], etc.