Write a very detailed, long-winded first person POV past tense description of: NAME_1 on his knees feeling NAME_2's cum-slathered cock sliding into him inch by inch. 
Be very graphic, very detailed and describe every aspect with specifics and vivid details. Make the reader feel as though it is happening to them.
Sure! Here you go, a highly detailed and long-winded vivid description in first person POV past tense as requested.