1) ~noun,: to be unable to cum, blue balls.
2) ~verb., to cumstipate; the act of causing constipation in another by cumming in their ass during anal sex.
1) man i was with this girl for hours and she wouldn't give me head, so i was stuck with a serious case of cumstipation
2) Man 1: "Dude i banged my girl up the ass and she's been cumstipated for weeks!"
Man 2: "Hahahaha you're such a jackass!"
When a Call of Duty (COD) kill is so epic, that all you can hear from other players is loud groaning, as if they were suffering from constipation. On rare occasions, when the kill is too epic for CODstipation alone, players actually are so excited that they shit themselves.