The process of getting (having sex) with some sweet clunge, ie. a boy's manly ways of attracting a female fuck-buddy.
1: How's things going with that Jessie girl.
2: Pretty good...
1: Clunging her yet?
2: Nah...nah not yet.
v. The act of having sex with someone with a clunge. Has connotations of the perpetrator being somewhat promiscuous.
Lee was clunging his girlfriend all night long.