Balloon Hammock
The act of blowing air in to the urethra and inflating the testicles. The subject, then spreads his scrotal sack between his index finger and thumb creating an approximate 2-3" gap between each finger. The female party rests her chin upon said scrotum sack and rests for several hours.
I can't believe Sally was willing to give Billy such a serious balloon hammock in front of the entire family during Thanksgiving dinner, she must have slept for like three or four hours!