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having sex in a McDonald's bathroom or play area.
Kid: "woah whats that dad"
Dad: "its okay son, its just some teens having a McBang"
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by catdogcatdogcatdog October 27, 2019
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3
Going to see the prostitutes, the equivalent of fast-food restauration for the sex industry.

It's easy, but it gives you sex-diabetes and the pussy is smells like rotten fish (a SuperMcFish)
Hey, I'm looking for a quick fuck. I'll just get a McBang. I'll be back in 20 min.
by LongJackhuqwieefglc November 28, 2018
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4
Visiting every McDonalds in the area consecutively
Lucy and I are going on a McBang in London
by Houayayy July 26, 2018
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