What is "under the counter"

a. (context British Ireland colloquial English) (Particularly with regard to payment or tax avoidance) In an underhand way, sneakily. Unofficially. adv. Illicitly, against regulations, of goods kept under the serving counter in a shop to be unobtrusively passed to a customer who knows they are available for surreptitious sale (e.g. pornographic magazines in a newsagent).

Under the Counter is the third studio album by Welsh rap group Goldie Lookin Chain. It was released on 17 March 2008 under Shellshock Records, after the group were dropped from their previous label, Warner Music Group. It contains various demos and songs left over from the recording sessions of the previous two albums.