An instance where someone has had botox on their forhead area but the muscles have contracted (then been frozen in place), forming a verticle frown line, much like a butt crack. Hence buttox.

Pronounced: Butt - oxe
Oh swet Jesus! That chick has buttox!
by Cassandra Nilsson August 2, 2007
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the smell of a particalarly bad fart
Your breath is quite buttoxic
by Roland Warren October 30, 2006
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Botox specially formulated to create or enhance a bubble butt.
Since my last buttox treatment, all the guys whistle at me.
by Chiharve June 15, 2015
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To receive a hard exhausting pouding from thy mother where the mother in quest grabs her big 12 inch hulk dildo and shoves it where the sun doesn't shine.
I was buttoxed by my mother last night as i was naughty and dad had left her.
by Ya mum browne November 24, 2019
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a way little kids say butt
kindergartener 1: bro my buttox hurt
kindergartener 2: hahahahah buttface
kindergartener 1: man we are so funny
by Alyssa LEiGh October 24, 2019
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