(humorous) One who does not speak can be sure of not saying anything embarrassing.

(idiomatic, informal) No harm to one.

(poker) A style of poker game where bets and raises can be as large as the player is capable of making them.

(idiomatic) Full of big talk but lacking action, power, or substance; pretentious. / (idiomatic) Often making cutting remarks, but having a gentle personality underneath.

(colloquial) An exclamation of amazement. / (colloquial, sarcastic) Said in response to an obvious statement.

Practical, not tolerating from others or concerning oneself with anything silly or unimportant. / No-frills.

(idiomatic) Mutual dislike or animosity.

(slang) no problem.

(informal) Synonym of no problem

(Canada, idiomatic) Not particularly effective or impressive; below expectations.