8
A shorted version of plonker meaning a idiotic, moronic, stupid person.
You're such a plonk, spilling all the milk.
by CheekyCharcoal July 24, 2010
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9
An expression that connotes a deep sexual desire for the addressee. Mostly included in the vocabulary of crackwhores, camilles, and other strange women. A sign to avoid the speaker at all costs
her "PLONK"

him "haha what's that..."

her "an........ onomatopoeia?"

him "BITCH YOU ARE OUT OF YOUR MIND DON'T CALL ME AGAIN."
by msniceguy February 19, 2011
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10
Staying in bed for an extended or exaggerated amount of time; sleeping, watching movies, or cuddling with a partner, or a group.
I feel so lazy, I plonked for 5 hours before deciding to do my laundry.
by Jack_Mier April 03, 2014
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11
The sound of faeces hitting the water when deficating in a toilet.
verb. "I just had a 1337 plonk man"
"I just had a 1337 plonk man"
by n30x October 17, 2004
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12
an insult you say to someone when you're messing around. Less harsh than "you idiot" or "you fuckhead."
You plonk.
by bread infection November 25, 2009
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13
Someone with a huge ego that should not have one; someone who brags at being good at something when their terrible at it. Also this person lies a lot.
Tom said that he was great at skateboarding, but when i asked him to go down the ramp, he fell and broke one of the wheels of his board; he is such a plonk!
by Tizzzy May 25, 2008
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14
When a person attempts to insert a flaccid penis during sex.
"That guy was terrible! He was too drunk and tried to plonk me"
by Butherface May 30, 2016
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