2 definitions by ihmsf

One who prefers having intimate relations with inanimate objects instead of people, i.e. dildo.
It appears that she is humping that podium; do you think she is inanisexual?
by ihmsf July 21, 2008
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(n.) A short-term girlfriend or boyfriend; often acquired because the two just want a girlfriend or boyfriend, not because the two actually have a connection; speed bump partners are often teenagers (maybe as young as 13 years of age); a speed bump partner may be acquired just for shock value, e.g. to impress someone; a speed bump partner may also be acquired because he or she has something attractive to another person that should matter minimally in a relationship, e.g. a lot of money.

The term "speed bump girlfriend" or "speed bump boyfriend" gets its name from the idea that he or she works somewhat like a speed bump: it needs to be passed and will come and go quickly.
Speed bump girlfriend/ boyfriend in action:

Speaker 1: Tommy just got his first girlfriend.

Speaker 2: And Tommy is how old...?

Speaker 1: 13.

Speaker 2: She is probably just a speed bump girlfriend.
by ihmsf October 25, 2009
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