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.
The best insult ever. You will totally PWN anyone with this retort.
Deb "I'm trying to raise money for college"
Kip: &q..
1.
An undercover bisexual. Generally this person watches a lot of gay porn and has gay/bi friends.
"I think he is an umbisexual becau..