The act of receiving head and suddenly pulling out and ejaculating into your partners nasal cavity.
Fuck man I boping'd that girl so bad last night.
by sam samsonton April 16, 2008
1 more definition
A word used by the spieds or(chavs) of Northern Ireland!
Aye "bopin" tune mate!
by kyle of s.a.k. March 01, 2005