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Practice of giving a guy a blow job after sucking on ice for several minutes, resulting in a very big surprise and a cold banana (icy weiner). Usually accompanied by screaming OMG or WTF on the part of the recepient. May also result in termination of sexual activities and/or relationships. While most guys hate it, some love it and consider it a real treat.
Eric finally broke up with Janet after she gave him a cold banana.

Eric finally broke up with Mark after he gave him a cold banana.
by Brad Bananas May 18, 2009
When a man doesn't cum during sex so he has to go to the bathroom and jerk off.
Dude she was too ugly even for me. I ended up giving myself a cold banana.
by Sack O'neill November 30, 2010