It means that Hillibush puts food (like small sandwiches with no crust) in a basket and then him and his friends go to a field, or beach, or top of a mountain, and they lay a blanket on the ground and sit down and eat it. Therefore, he thinks he shouldn't be the only one and tells other people they should do the same.

In short, an activity you do with your friends.
Why don't you two go have a picnic.
by YepThatHappened April 5, 2015
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The act of smearing your man's naked chest with lube and eating lunch off of his glistening, lubed up abs while jerking him off
Dominic gave me a Slick Picnic last night for my birthday
by HoagieSupreme June 21, 2018
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When tourists lay out some picnic rugs and consume crackers and wine, whilst watching you and your sexual partners Eiffel Tower each other.
Let’s sit down, have a Parisian Picnic and look at the Eiffel towering those two blokes with the massive cocks are giving to that pixie looking midget.
by Jobman212 October 21, 2023
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When you mess up and take your girl on a picnic as an apology.
-you messed up big time bro.
-yeah man, i know. i think i'll have to have an apology picnic or something to get back on her good side.
by pika007 April 13, 2011
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A gathering of the finest crackheads. Typically involving lots of cigs, alcohol (typically 40s), and of course, crack. These picnics have been known to take place outside of churches, in bushes, or on roofs. There is no food at a crackhead picnic! Only vices...
My life is full of crackhead picnics. College taught me how to manage my crackhead picnic.
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