Definify.com
Webster 1913 Edition
Perk
Perk
(pẽrk)
, Verb.
 T.
 [
imp. & p. p. 
Perked 
(pẽrkt)
; p. pr. & vb. n. 
Perking
.] [Cf. W. 
percu 
to trim, to make smart.] To make trim or smart; to straighten up; to erect; to make a jaunty or saucy display of; 
as, to 
perk 
the ears; to perk 
up one’s head. Cowper. 
Sherburne.
 Perk
,Verb.
 I.
 1. 
To exalt one's self; to bear one's self loftily. 
“To perk over them.” Barrow.
 To perk it
, to carry one's self proudly or saucily. 
Pope.
Perk
,Adj.
 Smart; trim; spruce; jaunty; vain. 
“Perk as a peacock.” Spenser.
 Perk
,Verb.
 I.
 To peer; to look inquisitively. 
Dickens.
 Webster 1828 Edition
Perk
PERK
,Adj.
  PERK
,Verb.
I.
  PERK
,Verb.
T.