half-great-grandnephew

Half-sibling's great-grandson.

My half-great-grandnephew is a good person.

Hippie-half-share

Frugality taken to the next step, or all the way to your buddies fridge. Taking an almost unnoticeable amount of something (typically food) with the intention of replacing it... in some karmic form... at some distant future date, until there's only an unusable amount left.

Sage was a very courteous roommate, he was always thoughtful enough to leave a hippie-half-share of my milk in the fridge.

not half

not at all; in no way.

"the players are not half bad"

half-co-niece-in-law

Spouse's half-nibling's wife.

My half-co-niece-in-law is a good person.

half-co-niece-in-law

Spouse's half-nibling's wife.

half-co-niece-in-law.

Half wank

When you start to wank and intend to finish but get unexpextedly interupted during the act and are not able to finish your wank.

Frank was wanking of in his room but suddenly realized that he left the stove on. He went down to kitchen and put it out. In this process he forgot about the wanking and therefore only ended up with a half wank.

A bitch and a half

When someone, usually female, is so much of a shit person that the term "bitch" no longer is sufficient to describe them. It can also be applied to difficult a task or situation.

Use 1, of a person: My whore of an ex cheated on me 7 times! What a bitch and a half!
Use 2, Replacing the alternator on a GM product is a bitch and a half, man!