I bite my thumb at thou! - It’s a weird way of saying you’re gonna give someone a blowj

It’s a weird way of saying you’re gonna give someone a blowjob. Like a middle-aged man who thinks he’s cool.

I bite my thumb at thou! #BlowJob

You’re gonna get a blow job. I bite my thumb at thou! #OralSex

I bite my thumb at thou! #MiddleAgedCool