A loud random yelling, to express great excitment, happieness, anger, and hunger. Usually used in situations when one cant hold back his emotions and must yell randomly.
Hunger: *Man on couch:* "WEEHAW WOMAN WHERES MY SANDWICH!!!"
Excitment: *Man on bed:* "weehaw, you do it just right!"
Anger: *Man with fists in air:* "I'm gonna weehaw you up bitch!! Dont you dare run from your man!"
Happiness: *Man in bedroom, wife walks in nude:* "WEEHAW!!"