When a girl gives you a blowjob while wearing a beer can baseball helmet and hands you the straws to drink the beer during the act. Bases loaded optional...
It was the bottom of the ninth and I was noticeably depressed because my team was losing. My girl wanted to cheer me up so she loaded two natty lights in her beer helmet and started grand slammin me
by CaseAandJuan October 15, 2018
Get the Grand slamminmug. Having someone on all fours on a pool table while someone else is using the pool stick to hit the cue so it knocks one of the balls into someone's asshole.
Oh man I was slammin' pool with my homies last night at my parents house, since they are out of town.
by Beyes November 18, 2021
Get the slammin' poolmug. 
by windybreath March 14, 2023
Get the C Slamminmug. by anonymous March 29, 2023
Get the Slamminmug. by Slamminpeggy April 25, 2023
Get the slammin peggymug. by mol January 17, 2004
Get the slammin assmug.