Grimstarr Edit Meaning

1.

to agree to a (usually coinflip) prop betbut back out at the last moment.

anyone wanna flip for $100? no grimstarring !

See douche, poker, grim, grimstarr

2.

grimstarr, grimmed. Of pizza faced nature. Male with erect penis not exceeding 2 inches. Genenral ghey activites. Douchebag.

so then we went to 'do-it' and i looked down and was like...what a grimstarr. see that dudes face...its like the moons fucking surface..what a grimstarr. that dude grimmed me off..what a grimstarr

See grim, douche, grimstarr, pizza face, grimmed