What is Grundleslap?
1.
A guy makes his pants tight so that the area above his dick if firm (usually by sitting down, you know what i mean) and then slaps it with his hand, in what would seem to be painful but is completely not.
I grundleslapped you mom last night
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Random Words:
1.
when you are talking to someone, and what him to get lost, or expresing disbelive
person a: "i won the Lottorie"
person b: g..
