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6.
To not pay a bill or other debt on time; to owe money.
"Ah sod it, I'm going to grint this bill because I can't afford to pay it"
by Phil Evans October 14, 2004
 
1.
To grin or smile at somone in the ghetto.
That guy just grint at you.
by Mr. Street June 13, 2009
 
2.
Dried poo tangled in the anal beard collected as a consequence of not wiping your arse.
Uhhhh I've got grints in my pants!

Shoulda' wiped man....
by grinter November 19, 2010
 
3.
A foreigner. Non-US citizen. Short for immigrant.
It was over 60 degrees out and the guy was bundled up like a freakin grint.
by D_Baggy December 09, 2005
 
4.
Shorter term for annoying immigrants.
Fucking Latino grints came into the store today and fucked shit up.
by Pidderks July 30, 2009
 
5.
To display a hint of a grin, a grint
Trying to contain her excitement, barely a grint escaped her lips
by Roblob January 17, 2011