Mad Casino glossary

Written by Declan Shaw · Last checked 7 October 2026

The small print uses a vocabulary of its own. Here are thirty terms you will meet on Mad Casino's bonus, payment and account pages, each defined as briefly as accuracy allows.

A–Z

Accumulator

A single sports bet combining several selections; all must win for it to pay.

Bonus funds

Money credited by the casino that is subject to wagering before it can be withdrawn.

Bonus-buy

A slot feature that lets you pay a fixed multiple of your stake to trigger free spins directly.

Cap (bonus)

The maximum bonus a tier can pay, whatever the deposit — the “up to” figure.

Cashback

A percentage of net losses over a period returned to the player. At Mad Casino: 20%, weekly, in cash.

Contribution rate

The share of a stake that counts towards wagering, set by game type.

Curaçao licence

A gambling licence issued in Curaçao. Not equivalent to a UK Gambling Commission licence.

Deposit limit

A ceiling you set on how much can be deposited per day, week or month.

Excluded games

Titles that contribute 0% to wagering while a bonus is active.

Expiry

The window within which a bonus must be wagered; at Mad Casino, 30 days per tier.

GAMSTOP

The UK national online self-exclusion scheme. Applies only to GB-licensed operators.

House edge

The casino's long-run average margin on a game; 100% minus RTP.

KYC

Know your customer: identity, address and payment checks required before withdrawals.

Live dealer

A real table game streamed from a studio, dealt by a person.

Max bet

The highest stake that counts towards wagering while a bonus is active — €5 on slots, €10 on tables.

Match bonus

A bonus calculated as a percentage of the deposit, such as 200%.

Net loss

Settled stakes minus settled returns over a period.

Pending period

Time a withdrawal waits before processing, during which it may be reversible.

Playthrough

Another word for wagering requirement.

Reality check

An on-screen reminder of how long you have been playing.

RNG

Random number generator: the software that decides outcomes in digital games.

RTP

Return to player: the long-run percentage of stakes a game pays back.

Self-exclusion

Closing your account for a set period at your own request.

Settlement

The point at which a bet's result is confirmed and paid or lost.

Source of funds

Evidence of where deposited money came from, requested at higher deposit levels.

Sticky bonus

A bonus that can be played with but never withdrawn itself; only winnings above it can.

Tier

One step of a multi-deposit welcome package. Mad Casino's stack has five.

Time-out

A short, account-level break, usually from 24 hours to six weeks.

Volatility

How widely a game's results swing around its average.

Wagering requirement

The total stakes needed before a bonus converts to cash; at Mad Casino, 30x the bonus.

How to use this page

Where a term has its own explainer, start there for the detail: wagering, contribution, max bet, KYC and RTP. Definitions here describe how the terms are generally used; the operator's own terms decide how they apply to your account.