A woman standing over an alarm clock primed for 3:00AM while giving a blowjob and either cums or pisses on the alarm clock before the alarm goes off
"yo, once we went to my place we tried doin a " dirty alarm clock."
An alarm you set on your phone to ring every hour or so indicating it is time to slap wood
Ryan: "there goes my dirty alarm"
Ryan: proceeds to burp the worm