when one person offers to make fuck with another because the first person hasn't gotten any in a really long time; results from "feeling bad" about the other person not getting any
by Eric Loy April 13, 2004
Get the mercy jump mug.A sexual encounter in which one individual is clearly "taking one for the team" to elevate his friends chance of getting laid. Or A sexual encounter derived purely from sympathy.
Jodi is a 40 year old woman who has 3 kids and works all the time she needs a mercy jump.
I know she's a little chubby, but can you give my girlfriend's sister a mercy jump.
I know she's a little chubby, but can you give my girlfriend's sister a mercy jump.
by Rob Williams13 January 13, 2008
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