turtleneck sweat

Something all uncircumcised chaps encounter in humid weather, sweat under the hood.
Uncut turtleneck sweater

"My girlfriend always gets major boob-sweat in this weather."
"Oh yeah? You know Jaques the exchange student on the soccer team? He's always going on and on about turtleneck sweat during practice. Which is weird because our uniform is a v-neck"