When your significant other cannot sleep so you give her benadryl. Then, in the semi-lucid state that follows attempt to convince said person to engage in anal intercourse.
Yo Bro, what did you do last night?

My girlfriend was having trouble sleeping so I gave her some benadryl then tried to get some benadranal.
by VennytheTiger February 4, 2012
Get the Benadranal mug.