A gratuity.
Any monetary or other incidental benefit beyond salary.
A privilege or possession held or claimed exclusively by a certain person, group or class.
Of or relating to trousers.
A pair of trousers.
To secretively steal (an item or money) for personal use.
To put (money) into one's trouser pocket; to pocket.
To take and keep (something, especially money, that is not one's own); to pocket.