Top Definition
v. throwing something together in order to complete a task quickly; doing an incomplete job or skipping steps in the process of a task
adj. a negative term decribing something that appears to have been done in a hap-slap manner; appearing as unsound, rough, or incomplete
syn. half-hearted, half-ass, unsound, untrustworthy, unstable, slack, sloppy
These days, developers often hap-slap houses together to make a quick buck.

He did a hap-slap project for science class--that's why he got a D.
by jaggedjinx February 03, 2012

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