2. The rear end is pert.

While reading the ASEAN Autocar January 2010 magazine, the First Drives section featured the Kia Forte 1.6LSX.

The writer described its rear end as follows; " the rear end is pert and has a sporty look to it."

Thesaurus.com definition of pert is;

Definition:	lively, bold
Synonyms:	animated, audacious, brash, brazen, breezy,bright, brisk, cheeky*, dapper, daring, dashing,disrespectful, flip*, flippant, forward, fresh, gay,impertinent, impudent, insolent, jaunty, keen, nervy, perky, presumptuous, sassy*, saucy*,smart, smart-alecky, spirited, sprightly,vivacious, wise
Antonyms:	dull, humble, lifeless

The Free Dictionary definition of pert is as follows;

pert (pûrt)

adj. pert·er, pert·est

1. Trim and stylish in appearance; jaunty: a pert hat.

2. High-spirited; vivacious.

3. Impudently bold; saucy.