愚痴はやめろよ。

idle complaint; grumble; moha (ignorance, folly)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

to stop (an activity); to cease; to discontinue; to end; to quit; to cancel; to abandon; to give up; to abolish; to abstain; to refrain

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!