1.Refers to the noise made when you are sleeping or as in a cartoon character sleeping. This word is said when you become impatient with someone or something meaning you are "sleeping" because they/it is taking way longer than you are willing to wait and you fell "alseep" while in waiting.
2. Essentially means HURRY UP
HONK SHOE BROHAM!! The concert starts in 10 minutes and you are still getting dressed!?