What is Lauch?
1.
To make an agonizing expression, similar to a grimace, while having sex or masturbating profusely.
Sally lauched unexpectedly while John boned her.
See
2.
A Person who is very slim and tall, hasn't got any muscles and acts like a coward or a pussy. A Lauch looks like a beanstalk and is very weak.
The word Lauch has its origin in Hamburg, Germany. But it has become a common word all over Germany, Austria and Switzerland.
Oh boy, Ole is the biggest "Lauch" of the whole universe. He looks like a beanstalk.
See
3.
a retarded way of spellling laugh
Someone, probably Rob Deiches, spelled laugh lauch
See