whomp
verb
[ wɒmp ]
• strike heavily; thump.
• "the two men slugged and whomped each other"
whomp
noun
• a dull, heavy sound.
• "the whomp of igniting gasoline"
whomp
exclamation
• used as an expression of mock disappointment, often for humorous effect.
• "it makes me wish I had a boyfriend to do those things for me (womp womp)"
Origin:
1920s: imitative.