A person whose attitude and manner of being is both being rude and not trustworthy
Did you here what Jason was saying earlier?

Yeah he's a real dickweasel!
by NocMedic February 11, 2014
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hey, stop tring to take advantage of that drunken, passed out cheer leader you dickweasel.
by mdmE April 21, 2003
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The male individual who has no vested interest in, but is sitting on your couch, while watching your big screen TV, that has been granted by the courts to your ex wife, who apparently needed the possessions you worked so hard for to survive.
"Dude, what the fuck happened? Why are you sitting on a fold up chair in this empty ass apartment playing solitaire on a busted ass card table on gameday? Where's all your furniture and TV and shit?"

"The judge gave it all to the ex because she could never her get her shit together while we were married. Her dickweasel boyfriend is kicking back in my leather recliner watching the game in HD, grilling some ribs on my stainless steel grill."
by cloudaround August 21, 2014
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