Shill

[ʃɪl]

(noun.) a decoy who acts as an enthusiastic customer in order to stimulate the participation of others.

(verb.) act as a shill; 'The shill bid for the expensive carpet during the auction in order to drive the price up'.

Edited by Clio--From WordNet

(v. t.) To shell.

(v. t.) To put under cover; to sheal.

Checked by Adelaide