1. to masturbate [the arm/hand ‘chugs’ up and down].
|Filth 97: The funny feeling in my troosers tells me that a chugging session with Hector the Farmer’s material is well due.|
|(con. 1980s) Skagboys 125: He’s recollecting the time he caught me chugging Wee Davie off.|
|Decent Ride 380: She’s chuggin away, n ah’m half ootside the blinds, keepin shoatie.|
2. (US campus) to throw away [var. on SE chuck].
|Campus Sl. Nov.|