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Avast ye scurvy scoundrels! (Will you vitamin C deficient gentlemen please stop what you are doing.)
avast by Anonymous August 1, 2003
A beast in every aspect of his life. Whether it's in the gym, in work or in the bedroom, this guy is top of the class.

He's a big headed, know-it-all who always means well.

He is loyal and loving underneath his tough and gruff exterior, and will protect all he loves.

He is hyperactive and full of energy, but as soon as his head hits the pillow, he leaves a nice big drool patch and turns the pillow over in the morning hoping you won't notice.

He is best friend material.

He is the boyfriend who will still call you beautiful at 8am when you first wake up, and will still love you when you're being annoying and embarrassing.

He loves dogs , trainers and fashion more than he loves people.

He loves impersonations of animals such as whales, rhinos and puppy dogs.

His big blue eyes are captivating against his dark, rugged features.

Totally amazing in bed.
'OMG he's so perfect, he must be called Avesta'

'Wow look at that guy benching 1000kg, he such an Avesta!'

'This dog has been running in circles for hours, must have avestatitis'
Avesta by Statuserror May 28, 2015
A term commonly used by pirates and pirate wannabes. Means cease and desist.
Arr, avast lest ye want yer captain te chop off ye balls!
avast by Mark November 29, 2004
A free antivirus program that i use, developed by Czech computer technology that tends to update your virus database very often, and tell you about it pretty much daily and can get a little annoying, though it is a decent program that works and is free.
Avast! virus database has been updated!
Avast by NoReward October 16, 2011

avast antivirus 

antivirus that scares the shit out of users with constant popups in the bottom-right corner of your screen convincing you to upgrade to avast premium with the only benefit being not having to see the popups
me: turns on pc

avast antivirus: WE FOUND 23 TRACKING COOKIES ON YOUR PC

me: didnt you say I had 36 tracking cookies on my pc last time
The first drug in a new class designed to treat cancer by compromising its blood supply. Avastin (bevacizumab) is believed to prevent angiogenesis, the formation of new blood vessels that supply the tumor with blood, oxygen and other nutrients and allow the tumor to grow and metastasize to other sites in the body. Additionally, Avastin may interfere with tumor growth by causing blood vessels to shrink away from a tumor.
nf2 = lots of fucking surgery
nf2 + avastin = let's hope to hell my tumors fucking shrink!
Avastin by lifeinspiresme April 25, 2010