calling someone a "hump" is an insult that means the person is a loser, a nobody, or a contemptible, low-class person. It is used as a derogatory term for someone who behaves unprofessionally, lacks integrity, or is seen as a bottom-feeder.
To hump someone. Used on the internet to say that your are humping.
1.Sammysam123: I was walking around one nigh and heard these moaning noises, and I looked in and saw Brittany and Tiffany humping all night long! They were naked and slapping each others' asses! *hump**hump*
2.Lisa89:*hump**hump**hump*
Bryanrox:wth r u doin??
Lisa89:Humpn u, silly!~!! im horny an cant just hump pillos all nite! *hump**hump*
During a threesome involving at least one male (or female with a sizable strap-on), you hump one of them while eating the others asshole until completely full.