Chubject 

Those erotic twists to any given subject that pops up in a conversation and gives a man an unexpected semi-erect penis.

Naomi:Hey can I get a gallon of water?

Chris:Sure thirsty eh?

Naomi:Yeah, and my tits were getting so hot!

Chris:(to himself) "What an unexpected change in chubject".

Chubject by CommandZero May 15, 2011

chubectomy 

any act in which ones chub is degenerated to a flaccid state

My girlfriend totally brought up her grandma's yeast infection and it gave me a chubectomy.

chubectomy by bonerkill February 9, 2009

Chubrection

Flacid to half mast=chub
chub to erection=chubrection

I had a chubrection for about 20min when I saw her naked, but then when she started touching herself, I got a chubrection.

Chubrection by Mrs Delancey September 24, 2010