Perk — Defs

01 v. t. 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.

imp. & p. p. Perked; p. pr. & vb. n. Perking

1.
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.

Phrases & compounds

to perk up one's ears — to begin to listen attentively; -- usually used when something of interest is mentioned in some discourse, after one's attention had lapsed; as, he perked up his ears when he heard his name mentioned.

02 v. i. To exalt one's self; to bear one's self loftily.

1.
To exalt one's self; to bear one's self loftily.
2.
To act in a jaunty or presumptuous manner.

Phrases & compounds

To perk it — to carry one's self proudly or saucily.

03 a. Smart; trim; spruce; jaunty; vain.

1.
Smart; trim; spruce; jaunty; vain.

04 v. i. To peer; to look inquisitively.

1.
To peer; to look inquisitively.

05 n. A perquisite.

1.
A perquisite.[informal]