Gobstabber 

Give someone a blow job in order to back stab someone

Slut 1: What did you do with my boyfriend
Slut 2: I gave him a gobstabber

Gobstabber by abominista March 3, 2011

Gobstabber 

Giving someone a blowjob in order to stab someone in the back

Slut 1: What did you do with my boyfriend?
Slut 2: I gave him a gobstabber

Gobstabber by abominista March 4, 2011

gobslobber 

A homosexual or straight male who performs oral sex on a penis and prefers to focus his attention on the tip

"Hey Steven, did you hear Rhett was a gobslobber? That's why he was so popular at those gay clubs!"

gobslobber by Johnsoncuck69 January 23, 2017