Refers to any male who ejaculates within seconds of having sex. Guy in question also has laughably small penis, prompting most girls to say, "Is it in yet?"
Abbey - "God that guy sucked so bad in bed last night. When he put it in I thought it was just the tip. He took a break to catch his breath and it STILL only lasted a minute. What a DBrim!"

Dan - "I'm right here babygurl. WTF?"
by BA Barrackus January 4, 2011
Get the DBrim mug.