When you put your elbow in a chicks Vagina
Guy#1: Hey how was your night bro
Guy#2: Great I gave my girl a Silent Pterodactyl, fisting doesn't turn her on anymore she needs the elbow.

-=----=-
Women: Hey baby stop giving me the Silent Duck and give me that fucking Silent Pterodactyl.
by SheckaMeccaLekka August 22, 2011
Get the Silent Pterodactyl mug.